Past perfect and present perfect
13828
Canonical Post #2: What is the perfect, and how should I use it?
118206
Simple past vs. past perfect
7461
Sequence of Tense
69668
Do 'already' and 'just' require the present perfect?
104245
did + present tense (or ) Past tense of the verb
16395
when to used had been and have been
157640
Present Perfect: Yes or No?
92285
I asked + present/past tense
136402
past tense and/or conditional
64898
Future Simple and Future Perfect
114784
Gerunds:Having+past participle and being+past participle
106556
What's the meaning of this present perfect sentence?
114989
The logic behind present perfect/infinitive + present perfect
49506
Can I use a present-tense verb when writing about a past event?
12019
Can we use the present perfect in this case?
24085
Past tense or present tense to describe something that 'happened in the past' but is still true?
104764
Use of Past Simple vs Past perfect in sentences with since