present perfect continuous vs. present continuous
23670
Present Perfect vs. Present Perfect Continuous
49302
before/after + past or past perfect
27613
Past Perfect Continuous/Past Perfect or?
35907
Is there a simple and clear way to explain the difference between past simple and present perfect?
62252
Simple past vs Perfect Past
5498
What's the difference between "should" and "could" (in the present tense)?
75236
"have read" vs "read" - Is this simple present vs present perfect?
119136
"done" vs "have done"
73062
Must present perfect tense be used if the action takes place more than once?
66004
until + perfect present / present
99626
Present perfect or past simple
154084
Having done something,... vs Doing something,
80452
present continous or present perfect continous?
16077
Can the present perfect continuous construct be used in passive voice?
17861
Is there any difference between Present Perfect and Present Perfect Continuous?
106556
What's the meaning of this present perfect sentence?
71690
"Is" vs "has been" in English