Progressive form - "was doing" would show the action in its progress while "did" simply states the fact without connecting it to the moment of speaking. Much …
0. The first sentence " How did you solve the problem? " is a perfectly structured and grammatically correct interrogative sentence that is in the past tense. The …
First of all, did is the past tense form of the verb to do (which is also used as an auxiliary verb to help form questions in English). When you say that you did …
The word sooner is a comparative adverb, so it should be followed by "than". There's no difference in meening; you can use either the auxiliary had or did after the …
I did have I agree with aybug3022. The "did" is just for emphasis and means something like certainly or absolutely. "Did you have fun at the party?" "Yes, I …
更多内容请点击：what I did" or "...what I had done"? - English Language Learners Stack ...