Past Perfect continuous (I had been doing) Past Perfect Continuous is a Present Perfect Continuous in a past situation. This morning, when I opened the window, there was snow in…

Past Perfect Simple: I had done Past Perfect Simple is the past in the past. We use the Past Perfect Simple (had + past participle):  when we talk about time…

Present Perfect or Past Simple? I HAVE DONE versus I DID?  Past with a finished time and Present perfect with a unfinished time. Past Simple: about a finished situation, a…

Present perfect simple (I have done) or Past Simple (I did)? Present Perfect and Past, the differences.   British and American have different rules for the use of the present…

Express the time: When, How long, For, During, While, Since A/ WHEN = "which moment": we can use past simple, present, and future (will). When + past simple: When did…