作业帮when did you do that 中do 为什么用原形不用过去式?
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when did you do that 中do 为什么用原形不用过去式?
when did you do that 中do 为什么用原形不用过去式?
when did you do that 中do 为什么用原形不用过去式?
you did that when这个是这句话的原来位置
转换成问句 be动词或助动词要提前
所以用did you do
did就是do 的助动词形式
比如：i had lunch at 8 o'clock
转换：did you have lunch at .
问句中不是有did 吗？！
did已经表示过去式了.do还原
did已经表示过去式了！
前面有了助动词,后面的动词还原为原形
因为前面有did
在一句句子中，过去式后加原形
When Did We Do That
How did you do that?How did you do that?
when did you do that 中do 为什么用原形不用过去式?
when did you do和what did you do 区别
when did you do yesterday?如事
为什么 是whenever did you find time to do all that cooking而不是 when did you find time to do all that cooking
Do you do what you did when you did with me 期待高手释疑,
what did you do that for?= ___ did you do that?
why did you do that?同义句（）did you do that ()
Why did you do that?(同义句)——did you do that——?
when did you realize that you were wrong?译成汉语
选择题when ( )that he wasn't well enough?的最佳选项A.were you told B.do you tell C. will you tell D.did you tell
when you did do homework your连词成句
when did you do your homework yesterday?怎么回答?急---
what did you do when the lights went out?）
When did you do homework yesterday的中文
since when did/do you become so diligent是did 还是do?为啥
do did does怎么用?你听说过吗?Do you heard that?还是Did you heard that?还是does...that