did后加原形did 后要加动词原形? 意思是不是只要出现did 后面动词就要变原形?
4个回答

是的

do

v.aux.(助动词)

Used with the infinitive withoutto in questions,negative statements,and inverted phrases:

用于疑问句、否定句和倒装句:跟不带to 的不定式连用,见于问句、否句、倒装句中:

Do you understand?I did not sleep well.Little did we know what was in store for us.

你懂吗?我没睡好.我们不清楚留给我们的是什么

Used as a means of emphasis:

用以强调:

I do want to be sure.Do be still!

我确实想肯定.安静!