写作业用英语造句如下：

1. I was doing my homework when Li Ming called me last night.

2. He was doing his homework when I came in.

3. I see her doing her homework now.

4. Light is addicted to computer games, evening will play to midnight, also too lazy to do homework.

5. She used to bully me into doing my schoolwork.

这些例句展示了在不同情境下如何使用“do homework”这个短语。希望这些例句能帮助你更好地理解和运用这个短语。