I was eighteen when I got my driving license.
我拿到駕照時才十八歲。
She was twenty-one when she got married.
她結婚時才二十一歲。
I loved history when I was at school.
我上學時喜歡歷史。
when she came into my room I was just reading a book.
她走進我房間時，我正在看書。
Sorry, I was out when you called me.
對不起，你打電話來的時候我出去了。
When I got to the airport, the guests had left.
當我趕到飛機場時，客人們已經離開了。
When he had finished his homework, he took a short rest．
當他完成作業后，他休息了一會兒。
Why do you want a new job when you have got such a good one already？
你已經找到如此好的工作，為何還想再找新的？
You shall borrow the book when I have finished reading it.