I think it's time to go to bed.

　　我想該睡覺了。

　　Our children go to the same school as theirs.

　　我們的孩子和他們的孩子上同一所學校。

　　He had to go to the hospital for treatment.

　　他不得不去醫院接受治療。

　　I have to go to hospital for an operation.

　　我得去醫院動手術。

　　He had to go to hospital for treatment.

　　他不得不去醫院接受治療。