Causative-passive Sentences
“Causative-passive” sentences are the passive version of the causative sentences. You can use causative-passive sentences when you want to say that you were made to do, or harassed or talked into doing something.
Forming causative-passive forms:
1)ru-verbs: Drop –ru and add –sase-rare-ru.
たべる -> たべさせられる
2)u-verbs that end with す: Drop -u and add ase-rare-ru.
はなす -> はなさせられる
3)all other u-verbs: Drop –u and add asare-ru.
かく -> かかされる
4)irregular verb:
する -> させられる
くる -> こさせられる
うたをうたわされました。
I was forced to sing.