How long, when, for, since FOR / SINCE: we want to say how long something has been happening. FOR + periode of a time (one hour, one week, one year,…

How long have you (been) ... ? How long + Present Perfect.   Remember: We use the present perfect to tell something that has started in the past, and still…

Present Perfect Simple or Present Perfect Continuous-2 Compare: I've cleaned my flat (it's finished). I've been cleaning my flat (the cleaning isn't finished). I've written a letter. (the letter is…

Present Perfect Simple or Present Perfect Continuous Present Perfect Simple => Action is finished, completely finished ! Present Perfect Continuous => Action is not finished now. PPS => I have…

Present Perfect Continuous – I have been doing An action started in the past and continued until recently or that continue into the future. Construction: HAVE + BEEN + verb-ING…