求英语短语结构：不得不；忍不住

Question

如题所述

Answer 1

have to do sth. 不得不
can't help doing sth./can't wait to do sth. 忍不住

Answer 2

have to = have got to 不得不
can't help doing忍不住

Answer 3

have to do
have no choice but to do
can not but
can not help but

Answer 4

have to do sth. 不得不
can't help doing sth./can't wait to do sth. 忍不住

Answer 5

不得不have to do

忍不住can't stop ding

Answer 6

have to /can`t stand