1
vote
2answers
97 views

“He denied having killed him” vs “He denied he had killed him”

I'm trying to understand the perfect aspect of the verbs and I am not sure whether both are correct: He denied having killed him He denied he had killed him. If not, what is the problem? ...
3
votes
5answers
126 views

past simple vs past perfect

My question might seem to be stupid enough, it's basic grammar, I believe; however, I'm at my wits' end. Should we use Past perfect or Past Simple in the following sentence: He promised/ had ...
-1
votes
0answers
54 views

Past perfect needed?

In an essay I'm about to write I'm assessing two products (I used product A but now thinking whether or not the B could have been better). Could I say: ...it is important to perform a comparison ...