tense agreement (the simple past tense and the past perfect tense)
110190
tense agreement (simple past tense after past perfect tense)
100914
present perfect + past simple in the same sentence
120012
Future tense in conditional clauses
47662
Present perfect for past action with present effect
66188
Mixing past tenses in the same sentence
150189
past continuous or past simple
222
Past Subjunctive vs Future Subjunctive form
136402
past tense and/or conditional
8101
The English Tense in Passive Voice
32546
Controversy over subject-verb agreement in this sentence
82982
past simple vs past perfect
23177
Tense change: previous actions on something that's currently true
60477
Is the past tense correct in "Did you know Fred was a doctor?"
116763
Is the usage of tenses correct in this sentence - "two days had passed since she had last eaten or slept"
13947
Simple past or present perfect?
49302
before/after + past or past perfect
114989
The logic behind present perfect/infinitive + present perfect