3 forms of Present-Perfect Tense?
13828
Canonical Post #2: What is the perfect, and how should I use it?
40839
Difference between Present Perfect and Past Simple ( I am not a beginner )
110717
Present Simple vs Present Progressive
119011
tense and time and composite sentence
77020
Generalised rule for verb usage in simple present tense using participle
121795
What is the difference between 'past' and 'present perfect;?
130973
Logical/Etymological reason for unique conjugation of third person singular present tense
7461
Sequence of Tense
47451
Present Perfect or simple past?
91575
Past simple vs past perfect; British- vs American English
99626
Present perfect or past simple
47469
Present or Past tense to describe a past condition which is still present?
40315
When will "Present Perfect vs. Past Tense" cases be affected by culture?
12019
Can we use the present perfect in this case?
104245
did + present tense (or ) Past tense of the verb
8101
The English Tense in Passive Voice
90991
Adverbs + Present Perfect