has been, have been , had been
1863
How do the tens­es and as­pects in English cor­re­spond tem­po­ral­ly to one an­oth­er?
37239
What does "had had" mean? How does this differ from "had"?
47451
Present Perfect or simple past?
139533
Have been Vs was/were
79159
Proper usage of the word since
94892
Are there any differences between "Have been on a trip" vs "Have gone on a trip" and "Have gone crazy" vs "Have been crazy"?
105840
What is the difference between have been and went?
155516
Do I need to mention 'has' ( present perfect tense) twice when connecting the sentences with and?
80810
Why must “has” come before the main verb here?
508
"Have been doing" and "have done"
109193
Tense when saying "This is the first time" you've been somewhere
93445
Had it not been vs If it were not for
92969
"got" vs. "have got"
144014
either + singular + 'have' or 'has'?
100002
Past Simple vs. Present Perfect
51703
Have forgotten or forgot?
144541
Since and Because