Grammar Notes
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- To ask or tell about things that happened at a specific time in the past, use the simple past tense: go-went, take-took, be-was,were
- to ask whether an event has happened anytime before, use the present perfect tense: have + verb-ed e.g. She has helped me a lot.
- When you want to show a past habit or a situation that was true in the past but doesn't exist anymore use the expression used to e.g. I used to be fat. (Not anymore)
- to show that you had the ability or opportunity to do something in the past but you didn't do it, you use the modals (must, might, could) + have + the past participle of any verb e.g. I could have written her a letter, but I didn't.
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