Since?
as a time adverb as far as I know since can be used in these ways: 1- Present Perfect...
Past Perfect?
Hi, little question: I know I can use the simple past instead of the the present...
Past Vs Present Perfect?
Hi, I know that you use the simple past for an action happened in a definite time...
Simple Past / Present Perfect?
1- We've had to make some adjustments to our original calculations. (Longman) 2...
Present Perfect Vs Simple Past?
Dear teachers... We use Present Perfect to talk abour things that took place: ...
Simple Past Or Present Perfect?
What is the difference between the simple past and the present perfect indeed? ...