What is the difference between 'past' and 'present perfect;?
14620
How to correctly use the present perfect tense
114989
The logic behind present perfect/infinitive + present perfect
40315
When will "Present Perfect vs. Past Tense" cases be affected by culture?
154084
Having done something,... vs Doing something,
8497
When is the past perfect exactly needed?
157375
Had been/have been... tenses agreement
21041
past simple or past perfect why
49506
Can I use a present-tense verb when writing about a past event?
6340
"yet" vs. "already" with present perfect
49025
Can the past simple or the present perfect fit in this example with yet
119136
"done" vs "have done"
56477
Difference Between "In Time" and "Before Time"
118270
Difference between "has + verbed" and "had + verbed"
55792
Present Perfect vs Present perfect continuous
93831
Between Present Perfect and Simple Past, which tense indicates a finished action?
10955
Past simple vs present perfect
99626
Present perfect or past simple