as soon as后面的时态

as soon as后面的时态
1.I am going to watch TV as soon as I finish my homework.
2.He is going as soon as he has had dinner.
都是新概念英语习题上的句子.为什么两句话里as soon as 后面的时态不一样?
第一句用finished对吗?
英语人气:930 ℃时间:2020-01-29 02:12:53
优质解答
英语中的时态一般分为两种:现在时态,过去时态.在时间状语从句中,主句用一般将来时,从句用一般现在时.as soon as 一……就……,引导的就是时间状语从句;I am going to watch TV as soon as I finish my homework.在...
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