UC知道英文语法·
来源：百度知道 编辑：UC知道 时间：2024/06/06 08:48:16
一个句子，
请问有没有错误，
When they finished their homework, they usually listen to music to relax themselves.
请问有没有错误，
When they finished their homework, they usually listen to music to relax themselves.
正解:when they have finished their homework,they usually listen to music to relax themselves./when having finished their homework,they ususlly listen to music to relax themselves.
语法解读:非谓语动词的独立主格结构
When they finish their homework, they will listen to music to relax themselves.
或者
When they finished their homework, they listened to music to relax themselves.
finished-----finish