What about 3 days ago? Should I use past perfect or present perfect?

1. There is no objection to the use of time words with the past perfect tense. The objection is when these words are used with the present perfect tense. You may, however, if you wish, replace "last week" with "the previous

Why didn't you just say you haven't read the book. Why didn't you just say you hadn't read the book. Again one is present perfect and the other is past perfect but what's the difference between the two sentences?

I told my mom she has gotten a ticket for not speaking English. OR I told my mom she had gotten a ticket for not speaking English. What's the difference between the two sentences? I know one is present perfect and the other past perfect but

It can be put in present perfect and past perfect using "if" like this: If the train have already left , we shall/will take the next train. (formal present perfect subjunctive) If the train had already left , we should/would

Now if I look up "are," the dictionary tells me that it is the present plural of "be." But what I would expect is that it would tell me that it is the present plural of "am" or "is" because those are the

I think the reason why they were complaining was because most of the people had/have paid to hear the actors sing and not you. I think both past perfect and present perfect could work in this situation?

To repeat - in the US, it's almost always singular. Thanks y'all! See, I would've never known that if I hadn't asked...(I'm using present perfect and past perfect...and I don't even know how I did it.)

A : If I had known that earlier This part is past perfect tense because of 'earlier' right? If I had known earlier which states that if this person had known before so it uses the past perfect?

They had to have that specially made? The sentence is in the past tense. Since English lacks verbs for situations in which person A does something for person B on person B's request, a rather long and awkward structure is used instead: to have