It has been known since long time that / Since long, it has been known that
12510
Usage of: 'since', 'for' and 'in'
10664
"We have showed that"/ "We have shown that" or "We showed that"?
19869
Proper usage of "since" and "from" with regard to duration of time
109854
“have despatched...yesterday” vs. “despatched … yesterday”
150875
What is the term for words that have changed meaning over time?
17313
Using past tense when referencing a still-true fact
54114
When should one use the "recent past"? How much time should have passed?
157375
Had been/have been... tenses agreement
35117
"The number of residents has grown" vs. "the number of residents have grown"
49025
Can the past simple or the present perfect fit in this example with yet
10123
"It is built" or "it was built"
144670
"since 2009" is it inclusive or exclusive?
42961
Simple past or past perfect with "by" and years
90495
Have lived vs. Have been living
102159
“Has been” vs. “was”
105840
What is the difference between have been and went?
140274
Are there dialects where "would have" is used to describe a factual event long in the past?