Past Simple/Present Perfect. Result or fact?
4548
“have found” vs. “found”
100002
Past Simple vs. Present Perfect
91575
Past simple vs past perfect; British- vs American English
40839
Difference between Present Perfect and Past Simple ( I am not a beginner )
104764
Use of Past Simple vs Past perfect in sentences with since
49025
Can the past simple or the present perfect fit in this example with yet
557
Should I use the past tense with did?
127184
Present-perfect-tense vs. Simple-past-tense
64898
Future Simple and Future Perfect
106556
What's the meaning of this present perfect sentence?
100914
present perfect + past simple in the same sentence
49302
before/after + past or past perfect
23670
Present Perfect vs. Present Perfect Continuous
15721
"Is it proved that ...?" vs. "Has it been proven that ...?"
119136
"done" vs "have done"
69510
Do tenses in a time clause never back-shift in reported speech?
121795
What is the difference between 'past' and 'present perfect;?