Permissive Causative in Japanese

In Brief

The Japanese causative can mean either “make someone do” or “let someone do.” For the permissive meaning, Japanese often marks the person allowed to act with に and uses patterns such as させてあげる (“let someone”), させてくれる (“let me/us”), させてもらう (“be allowed to”), and させてください (“please let me”). Context still matters: the causative form alone does not guarantee a permissive reading.

Overview

The causative form, or 使役形 (しえきけい), presents one person as causing another person to perform an action. English normally chooses among “make,” “let,” “have,” and “allow,” but Japanese can use the same causative verb for all of them. For example, 食べさせる can mean either “make someone eat” or “let someone eat.” The surrounding words and situation tell you which meaning is intended.

At B2, the important step is therefore not just forming the causative but controlling its permissive reading. You use it when a parent lets a child choose, when somebody gives you freedom to work in your own way, or when you ask to leave early. Giving-and-receiving verbs—あげる, くれる, and もらう—often make the viewpoint and the beneficiary clear.

This differs from English in two useful ways. First, Japanese does not normally insert a separate word equivalent to “let” before an unchanged verb; the main verb itself becomes causative. Second, expressions such as させてもらう describe permission as something received. A literal English translation may sound awkward, so learn the whole pattern and its social viewpoint rather than translating each piece separately.

How It Works

Review: forming the causative

The permissive causative uses exactly the same verb form as every other causative. A godan verb (often called an u-verb) changes its final kana to the corresponding a sound and adds せる. An ichidan verb (the common “drop る” type) drops る and adds させる.

Verb type	Dictionary form	Change	Causative
Godan	書く	く → かせる	書かせる
Godan	読む	む → ませる	読ませる
Godan	話す	す → させる	話させる
Godan ending in う	買う	う → わせる	買わせる
Ichidan	食べる	drop る + させる	食べさせる
Ichidan	見る	drop る + させる	見させる
Irregular	する	—	させる
Irregular	来る（くる）	—	来させる（こさせる）

The causative then conjugates like an ichidan verb: させない (not let/make), させた (let/made), させて (the linking or request form), and させられる (be made to do).

The basic sentence pattern

The person who permits the action is the grammatical subject (the person presented as controlling the sentence). The causee—the person who is made or allowed to act—is commonly marked by に in permissive sentences.

Permitter は/が + person に + object を + causative verb

• 母は子供にケーキを選ばせた。
  “The mother let the child choose a cake.”
• 先生は学生に好きなテーマを研究させた。
  “The teacher allowed the students to research a topic they liked.”

A direct object is the person or thing directly affected by the action: in ケーキを選ぶ, the cake is what gets chosen. When the underlying verb already has an object marked by を, に conveniently marks the person doing the caused action.

With an intransitive verb (a verb that does not take a direct object), the causee may appear with を or に. を often presents the causer as directly moving or compelling the person, while に is often compatible with letting that person act by their own will:

• 監督は選手を走らせた。 — “The coach made the athletes run.”
• 母は子供に外で遊ばせた。 — “The mother let the child play outside.”

This is a strong tendency, not a mechanical translation rule. に can occur in coercive contexts too, especially with a transitive verb: 先生は学生に本を読ませた can mean that the teacher made the students read. The situation, vocabulary, and following helper verb remain decisive.

させてあげる: letting someone do something

Causative て-form + あげる presents the permission as something the subject gives for another person’s benefit.

person に + Vさせてあげる

• 子供に好きなことをさせてあげましょう。
  “Let’s let the children do what they like.”
• 好きなものを選ばせてあげます。
  “I’ll let you choose what you like.”

Because あげる frames the speaker or subject as giving a benefit, it can imply authority or a higher position. It sounds natural when adults discuss children or when someone genuinely controls access to an opportunity. Said directly to an equal, however, it may sound self-important: “I will graciously allow you.”

させてくれる: someone lets me or my group do it

Causative て-form + くれる views permission as a favor given to the speaker or someone close to the speaker.

person が/は + (me/us) に + Vさせてくれる

• 上司が自由にやらせてくれました。
  “My manager let me handle it freely.”
• 両親は留学させてくれた。
  “My parents let me study abroad.”

The person allowed to act is often omitted because くれる already points toward the speaker’s side. The sentence usually carries appreciation, although the degree of gratitude depends on tone and context.

させてもらう: receiving permission

Causative て-form + もらう presents the subject as receiving permission or an opportunity from somebody else.

person に/から + Vさせてもらう

• 今日は早く帰らせてもらいます。
  “I’ll be leaving early today, with permission.”
• 先生にもう一度発表させてもらいました。
  “The teacher allowed me to give the presentation again.”

The person granting permission can be marked by に or から, but is often omitted when obvious. In English, a natural translation may be “be allowed to,” “get to,” or simply an ordinary active sentence. この会社で十年間働かせてもらいました is often best rendered “I had the opportunity to work at this company for ten years,” not the stiff “I received permission to work.”

させてください: asking to be allowed

Attach ください to the causative て-form to request permission for yourself or your group:

Vさせてください = “Please let me/us V.”

• 先に帰らせてください。 — “Please let me go home first.”
• もう一度説明させてください。 — “Please let me explain once more.”

The omitted actor is normally the speaker. This pattern is more active and purposeful than てもいいですか, which asks whether an action is acceptable: 帰ってもいいですか means “May I go home?” while 帰らせてください more strongly asks the listener to grant the speaker’s intended action.

Common politeness levels include:

Pattern	Typical force and register
Vさせて	“Let me V”; casual and dependent on tone
Vさせてくれる？	“Will you let me V?”; casual
Vさせてください	“Please let me V”; polite standard
Vさせてもらえますか	“Could I be allowed to V?”; softer, consultative
Vさせていただけますか	“Might I be permitted to V?”; formal and deferential

Examples in Context

Japanese	English	Note
子供に好きなことをさせてあげましょう。	Let’s let the children do what they like.	あげる presents permission as a benefit to the children.
好きなものを選ばせてあげます。	I’ll let you choose what you like.	The chooser is understood from context.
今夜は少し遅くまで起きさせてあげよう。	I’ll let them stay up a little late tonight.	A natural parent-to-child use.
上司は私に自由にやらせてくれました。	My manager let me do it my own way.	くれる shows permission benefiting the speaker.
両親が一人で旅行させてくれた。	My parents let me travel alone.	The causee “me” is omitted.
先生は学生に好きなテーマを選ばせてくれた。	The teacher let the students choose a topic they liked.	Both the giver and recipients are stated.
先に帰らせてください。	Please let me go home first.	A direct but polite request.
最後に一つだけ質問させてください。	Please let me ask just one last question.	Common when taking the floor.
私にも意見を言わせてください。	Please let me give my opinion too.	にも means “me too.”
明日は家で仕事をさせてもらいます。	I’ve arranged to work from home tomorrow.	Permission is understood; the English translation need not be literal.
監督にもう一度挑戦させてもらった。	The coach gave me another chance to try.	に marks the person who granted the opportunity.
この企画を担当させていただけませんか。	Could I be allowed to take charge of this project?	Formal, deferential request.
若い社員にも責任ある仕事を任せ、判断させるべきだ。	Younger employees should also be entrusted with responsible work and allowed to make decisions.	Context gives plain させる a permissive reading.

Common Mistakes

Assuming every causative means “make”

• Misreading: 両親は私を留学させてくれた。 — “My parents forced me to study abroad.”
• Better reading: “My parents let me study abroad.”
• Why: くれる presents the action as a benefit received by the speaker. Unless the wider context is ironic, permission or support is the natural interpretation.

Treating に as a guaranteed sign of permission

• Incorrect rule: person に + causative always means “let.”
• Reality: 先生は学生に漢字を百個書かせた。 can mean “The teacher made the students write one hundred kanji.”
• Why: With a transitive verb, the thing acted on already takes を, so the causee commonly takes に whether the situation is permissive or coercive.

Marking both the causee and the object with を

• Wrong: 先生は学生を作文を自由に書かせた。
• Right: 先生は学生に作文を自由に書かせた。
• Why: Standard Japanese avoids using を for both the causee and the direct object in this structure. Mark the students with に and the composition with を.

Using あげる as if it were socially neutral

• Risky to a superior: 部長に先に帰らせてあげます。
• Safer description: 部長には先にお帰りいただきます。 or rephrase according to the intended situation.
• Why: させてあげる casts the subject as the generous giver of permission. That viewpoint can sound patronizing when the permitted person is senior or socially equal.

Confusing a request for permission with a request for someone else to act

• Different: 説明してください。 — “Please explain.”
• Permission request: 説明させてください。 — “Please let me explain.”
• Why: In the second sentence, 説明する becomes causative, and the omitted person who explains is the speaker.

Overusing the most formal form

• Overformal among friends: ちょっと見させていただけますでしょうか。
• Natural: ちょっと見せてくれる？ — “Can you show me?” or ちょっと見てもいい？ — “Can I take a look?”
• Why: させていただく is useful, but a long deferential request can sound distant or affected in an ordinary casual situation. Also notice that 見せる (“show”) and 見させる (“let someone look”) are different verbs.

Usage Notes

Permission is inferred, not encoded in the ending

There is no special “permissive causative ending.” させる only establishes causation. Permission becomes likely when the caused person wants to perform the action, retains some choice, or benefits from it. Words such as 自由に (“freely”), 好きなように (“as one likes”), and 自分で (“by oneself”) support that reading. By contrast, orders, punishments, unwanted tasks, and resistance favor “make.”

Even helper verbs do not erase context. やらせてあげた generally means “I let them do it,” but it still expresses the speaker’s evaluation that the opportunity benefited them. Sarcasm or resentment can reverse the apparent kindness.

Choosing between させてください and てもいいですか

Both can seek permission, but they frame the conversation differently:

• 窓を開けてもいいですか。 — “May I open the window?” asks whether the action is acceptable.
• 理由を説明させてください。 — “Please let me explain the reason” asks for room or authority to carry out an intended action.

For a small everyday permission, てもいいですか is often simpler. させてください is especially natural when you want the floor, request an exception, undertake a role, or ask someone not to prevent you.

Omitted people are recovered from viewpoint

Japanese often leaves out both the permitter and the permitted person. In 参加させてくれた, くれる strongly suggests that the omitted participant who got to join is the speaker or someone in the speaker’s group. In 参加させてもらった, the grammatical subject is normally that recipient. English learners should resist adding pronouns mechanically; first identify the direction of the favor.

Beyond the Basics / Advanced Use

させていただく as a conventional announcement

The humble pattern Vさせていただく literally presents an action as something the speaker receives permission to do. In formal speech, customer service, and business writing, it also functions as a conventional way to announce one’s action:

• 本日は休業させていただきます。 — “We will be closed today.”
• 私が司会を務めさせていただきます。 — “I will have the honor of serving as moderator.”

Strictly speaking, the pattern is most logically grounded when another party’s permission or benefit is relevant. Modern formal Japanese often uses it more broadly, and excessive use can sound bureaucratic or unnecessarily humble. A plain 休業します or 私が司会を務めます may be clearer when no permission relationship needs emphasis.

Permission, opportunity, and assigned roles overlap

Not every させてもらう describes an explicit spoken “yes.” It can mean that circumstances, support, or an arrangement made an action possible. Likewise, 担当させてもらう may mean “be given the chance to handle” rather than “ask permission to handle.” This is why natural English translations often use “get to,” “have the opportunity to,” or an active verb.

The boundary between “let” and “have someone do” can also be deliberately vague. A manager saying 田中さんに担当させます might mean “I’ll have Tanaka handle it,” without emphasizing either force or personal freedom. The simple causative often describes assignment; adding 自由に, 本人の希望で (“at their own request”), or a giving-and-receiving verb makes permission more explicit.

Causative-passive shows the opposite viewpoint

Compare the permissive させてもらう with the causative-passive させられる, which presents the actor as subjected to the action:

• 発表させてもらった。 — “I was allowed/given the chance to present.”
• 発表させられた。 — “I was made to present.”

The contrast is especially useful because both sentences focus on the person who ultimately performs the action, but one frames it as received opportunity and the other as imposed obligation.

Colloquial shortened causatives

In casual speech, some godan causatives appear in a shorter -す form, such as 行かせる → 行かす or やらせる → やらす. You may hear 好きにやらして in very colloquial speech. These forms are useful to recognize, but the standard -せる forms are safer in writing, polite conversation, and deliberate learner production.

Practice Tips

1. Build four versions from one verb. With 話す, say 話させてあげる, 話させてくれる, 話させてもらう, and 話させてください. For each sentence, identify who speaks, who grants permission, and who benefits.
2. Label the viewpoint before translating. When you encounter くれる, draw an arrow toward “me/us”; with あげる, draw it away from the subject; with もらう, start from the receiver. This prevents English pronouns from obscuring the Japanese structure.
3. Contrast permission with force. Make pairs such as 自由に選ばせてもらった and 嫌いな物を選ばせられた. The sharper the contexts, the easier it becomes to hear that the causative ending itself is neutral.

Related Concepts

• Prerequisite: Causative Form — review how to form causative verbs and mark the person who performs the caused action.