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Modals: deductions about the present
Do you know how to use must , might , may , could and can't to show how certain you are about something?
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Verbs and prepositions
Do you know how to use the prepositions for , from , in , of , on , to and with after verbs?
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Present perfect
Do you know how to use phrases like I've worked , he's eaten and have you ever been ?
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'just', 'yet', 'still' and 'already'
Do you know how to use just , yet , still and already ?
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