Right: Have you ever eaten octopus?, Has she ever been late for work?, We've never seen this film before., He has fallen off his bike five times., Was it a good concert?, How much did it cost?, I saw them in concert last month., Wrong: I never flown in a helicopter., He didn't bought any expensive clothes., I didn't read this book before., Did you ever met a famous person?, I have gone to the cinema one month ago., Did you bought anything?, He have fallen off his bike five times.,

EF Pre_int Unit4 (present perfect and past simple)

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