difference present perfect and present perfect continuous

FuturePerfect: Future Perfect Continuous : To describe an action that will be completed at a given time in the future. + I'll have finished my work by noon. + They'll have built that house by July next year. + When you come back, I'll have written this letter. To describe an action that started in the past and continued until a given time in the future. + By November, we'll have been Thecentral difference between simple past and present perfect is that present perfect is a present tense. It makes reference to events in the past, but its function is always to talk about the present. Present perfect uses a past event to describe a present condition. In your examples, the simple past sentences are simply stories about the past. Thepast perfect progressive tense is formed: A. "had been" + [present participle] B. "will have been" + [past participle] 3. not attempted. Select the example of the past perfect progressive tense. A. had worked. B. have been working. C. had been working. Thepassive voice in the present perfect is used here 'have been made' to put the focus on the 'efforts being made'. No, I haven't. The is a form of ellipsis and is very common in English. 'No, I haven't' is short for, 'no, I haven't heard of the car company'. We use ellipsis to make sentences and questions shorter in Vay Tien Nhanh Ggads.

difference present perfect and present perfect continuous