"Worked" or "have worked"?
1863
How do the tens­es and as­pects in English cor­re­spond tem­po­ral­ly to one an­oth­er?
55834
"is being" vs "has been"
107985
Had done / had been doing
119710
"Be yet to do" vs "have yet to do"
102159
“Has been” vs. “was”
149189
"I have been 'verb-ing'" vs. "I had been 'verb-ing'"
137339
"Has/Have/Had" as a main verb and auxiliary verb
139533
Have been Vs was/were
29553
A number of questions "has been" or "have been" asked?
47451
Present Perfect or simple past?
48737
Using “used to” vs "would" when expressing something done in the past
125625
Having or has? What is the best way to say that sentence
154656
As I expected / had expected / have expected
66576
Use "got" or "have got"?
14526
Which is correct: "has died" or "died"?
142736
Difference between "are you done" and "have you done."
75236
"have read" vs "read" - Is this simple present vs present perfect?