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    as a time adverb as far as I know since can be used in these ways: 1- Present Perfect//since//Simple Past She's lost over 20 Ibs in weight since she started that diet. 2- Past Perfect//since// Simple Past The place had completely changed since ...
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    Hi, little question: I know I can use the simple past instead of the the present perfect with some adverbs, like "already", "just", ect. What about using the simple past instead of the past perfect? That's common, but I don't kow if it is still ...
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    Hi, I know that you use the simple past for an action happened in a definite time in the past and the present perfect for a time period that didn’t end yet. Once, I heard Peter Griffin say this on an episode of “the family guy”: I’ve never asked ...
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    1- We've had to make some adjustments to our original calculations. (Longman) 2- We had to make some adjustments to our original calculations. I have written the second sentence. I have a few questions about the difference between the present ...
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    Dear teachers... We use Present Perfect to talk abour things that took place: during a period that includes past and present: They've been waiting here for an hour. in the past, but we're not saying exactly when: Don't tell me he's bought ...
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    What is the difference between the simple past and the present perfect indeed? 1- definite time and indefinite time? can simple past be used with indefinite time adverbs? 2- can "just", "already" and "yet" be used with the simple past? 3- if yes, ...
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