6. Fill the spaces in the following sentences by using one of these forms + the perfect infinitive of the verbs in brackets. must + perfect infinitive is used for affirmative deductions can't/couldn't + infinitive is used for negative deductions. needn't + perfect infinitive is used for a past action which Was unnecessary but was performed. 11. I phoned you at nine this morning but got no answer. ~ I'm sorry. I .. (be) in the garden. 12. I left my bicycle here and now it's gone. ~ Someone ... (borrow) it. * 13. When she woke up her watch had vanished. ~ Someone ... (steal) it while she slept. 14. I've opened another bottle. ~ You ... (do) that. We've only just started this one. 15. The machine said, "You weigh 65 kilos," and I said, "Thank you." ~ You ... (say) anything. 16. I told him to turn left and he immediately turned right! ~ He ... (understand) you. 17. Perhaps he swam across. ~ No, he ... (do) that; he can't swim. 18. Do you remember reading about it in newspapers? ~ No, I ... (be) abroad at the time. 19. He ... (walk) from here to London in two hours. It isn't possible. 20. He was very sick last night. ~ The meat we had for supper ... (be) good.

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6. Fill the spaces in the following sentences by using one of these forms + the perfect infinitive of the verbs in brackets. must + perfect infinitive is used for affirmative deductions can't/couldn't + infinitive is used for negative deductions. needn't + perfect infinitive is used for a past action which Was unnecessary but was performed. 11. I phoned you at nine this morning but got no answer. ~ I'm sorry. I .. (be) in the garden. 12. I left my bicycle here and now it's gone. ~ Someone ... (borrow) it. * 13. When she woke up her watch had vanished. ~ Someone ... (steal) it while she slept. 14. I've opened another bottle. ~ You ... (do) that. We've only just started this one. 15. The machine said, "You weigh 65 kilos," and I said, "Thank you." ~ You ... (say) anything. 16. I told him to turn left and he immediately turned right! ~ He ... (understand) you. 17. Perhaps he swam across. ~ No, he ... (do) that; he can't swim. 18. Do you remember reading about it in newspapers? ~ No, I ... (be) abroad at the time. 19. He ... (walk) from here to London in two hours. It isn't possible. 20. He was very sick last night. ~ The meat we had for supper ... (be) good.

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30 Июл 2019 в 19:41

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I phoned you at nine this morning but got no answer. ~ I'm sorry. I must have been in the garden.I left my bicycle here and now it's gone. ~ Someone must have borrowed it.When she woke up her watch had vanished. ~ Someone must have stolen it while she slept.I've opened another bottle. ~ You needn't have done that. We've only just started this one.The machine said, "You weigh 65 kilos," and I said, "Thank you." ~ You needn't have said anything.I told him to turn left and he immediately turned right! ~ He couldn't have understood you.Perhaps he swam across. ~ No, he couldn't have done that; he can't swim.Do you remember reading about it in newspapers? ~ No, I must have been abroad at the time.He couldn't have walked from here to London in two hours. It isn't possible.He was very sick last night. ~ The meat we had for supper mustn't have been good.