What's the difference between have/has been and was?
1863
How do the tens­es and as­pects in English cor­re­spond tem­po­ral­ly to one an­oth­er?
46651
There has vs. There have
508
"Have been doing" and "have done"
10955
Past simple vs present perfect
96368
Simple Past vs. Present Perfect
4548
“have found” vs. “found”
144014
either + singular + 'have' or 'has'?
125890
Difference between "does have" and "has"
35907
Is there a simple and clear way to explain the difference between past simple and present perfect?
47408
Difference between "been to" and "been in"
3233
When to use the present or the past perfect tense?
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"?
80268
Past participle vs being+past participle
29553
A number of questions "has been" or "have been" asked?
137281
"Has" or "Have" with "Each"?
143121
What's the difference between an adjective and a past participle?
72276
Have gone or Have been