what happens during lunch time What's happening outside?
为什么第一句的 happens 要加s,但我知道问句里动词一定要变原形.像是 what happen during lunch time 第二句What's happening outside?为什么这可以用助动词is,那what happened to you?为什么不能用what did happed to you?
急
我问：what happens during lunch time?为什么可加S，问举中动词不是要变原型？
what happens during lunch time What’s happening outside?
答案:1 悬赏:60 手机版
解决时间 2021-07-23 23:39
- 提问者网友：锁深秋
- 2021-07-23 14:15
最佳答案
- 五星知识达人网友：零点过十分
- 2021-07-23 14:50
what happens during lunch time 是将来时
what's happening outside?是现在时
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