日本語のおしゃべり

Japanese Language
「Verbs」

「Vneg + Seru/Saseru せる・させる」
”Make/let someone do."

Vneg seru/saseru expresses the causative form. Seru  is attached to regular I verbs and saseru to regular II verbs. The causative verbs are regular II verbs. The shortened causative form may be obtained by changing the final seru to su, e.g. arukaseru-arukasu; tabesaseru-tabesasu; koaseru-koasu; saseru-sasu. The causative verbs of this shortened form are regular I verbs, conjugated on the Sa row. The person who causes someone to do something usually takes the particle wa or ga and the person who is made or allowed to do something is marked by o or mi. When the verb is transitive and the direct object marker o appears, the person caused to do something must be marked by ni (example 1). When the verb is intransitive, that person takes ni if he performs an action willingly (example 2). O is used regardless of the person's volition (example 3).

Examples:
母は妹にバレーを習わせる・習わす。
Haha wa imōto ni barē o narawaseru/narawasu.
My mother makes/lets my younger sister learn ballet.

私は子供達にテントで寝させました・寝さしました。
Watashi wa kodomo-tachi ni tento de nesasemashita/nesashimashita.
I let my children sleep in a tent.

小田さんは息子をアメリカに留学させました・留学さしました。
Oda-san wa musuko o Amerika ni ryūgaku sasemashita/ryūgaku sashimashita.
Mr. Oda made/let his son study in America.

Hope this helps!

じゃまたね！

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