"Forgot" vs "Have forgotten"?
140760
Is it correct to use 'Forgot password' or 'Forgotten password'
88730
can't have been vs. couldn't have been
103953
"I didn't know" or "I haven't known"?
96368
Simple Past vs. Present Perfect
10637
difference between "Have been" and "was"
76912
Is there any difference between "has gone" and "went" in this context?
155516
Do I need to mention 'has' ( present perfect tense) twice when connecting the sentences with and?
16395
when to used had been and have been
150189
past continuous or past simple
95433
"there doesn't seem" vs. "there don't seem"
116929
Past Simple vs. Past Progressive
40839
Difference between Present Perfect and Past Simple ( I am not a beginner )
95245
When should I use "didn't" instead of "haven't"?
57204
present perfect vs past perfect
15527
Simple Past Vs Past Continuous
132687
"I have no ..." vs. "I don't have ..."
3233
When to use the present or the past perfect tense?