When you last (see) the boy? 請問see的時態要用什麼呢？？
1 則回答
It should be written as:-
eg:-When did you (last see) the boy ?
For did use the same verb;
I did see him---Hence did--->see.
=I saw him.
For the past tense "do"=did
-----present tense=do;
Hence did---->see.