1. 过去式在动词上变,把动词的一般式变成过去式即可。went 是go的过去式。
2. 过去式肯定式不用助动词 did, 否定句和疑问句中才用 did.
I went to school. (肯定式)
Did you go to school? (疑问句助动词 did 要提前,谓语动词一律用原形,不管是第几人称。)
I didn't go to school. (否定句由助动词 did +not 构成,谓语动词一律用原形,不管是第几人称。)
3. 肯定句中出现了 did 意思就变了。如
I did go to school. (由于简单句中不能有两个谓语动词,所以此处的did是助动词,表达强调。意思是 “我的确是去了学校。”)
You did a good job. (did 此处不是助动词而是动词 do 的过去式。意思是“你做的很好”)
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