ever, we can use...in questions with the present perfect.It means "at any time in your life", just, we use...with the present perfect to talk about very recent activities., already, we use...with the present perfect to say something has happened ,possibly earlier than we thought., never, we can use ...to make negative sentences in the present perfect.it means "at no time in your life", for,since, We use..and...with the present perfect to talk about things that started in the past and continue in the present.We use …with periods of time, and with specitic moments in time., yet, We use...with the present perfectto say that something has not happened, but we think it is going to happen soon. We use it innegative sentences and questions.

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