What is the purpose of using both past participle and past tense?
12310
When is the present perfect tense used instead of the past tense?
96368
Simple Past vs. Present Perfect
57204
present perfect vs past perfect
121795
What is the difference between 'past' and 'present perfect;?
42961
Simple past or past perfect with "by" and years
156665
progressive forms: participle or gerund?
106871
Function of participle
21041
past simple or past perfect why
114989
The logic behind present perfect/infinitive + present perfect
10955
Past simple vs present perfect
43333
just(recently) + present perfect or simple past
97441
Present perfect or simple past?
152550
present tense with past perfect?
49302
before/after + past or past perfect
100914
present perfect + past simple in the same sentence
116929
Past Simple vs. Past Progressive
104245
did + present tense (or ) Past tense of the verb