【正文】
He _______ not have received our letter. 5. Jackie looks happy. They ________ have increased his salary. 6. The secretary wasn’t listening. She _______ have heard what I said. might must can’t Summary of the deduction 情態(tài)動(dòng)詞 適用于 對(duì)現(xiàn)在情況的推測(cè) 對(duì)過去情況的推測(cè) must 肯定句 +動(dòng)詞 原形 + have done may/ might 肯定句和否定句 can/ could 否定句和疑問句 Write sentences to say about each person, using must may might can’t (group work) ? someone who has just travelled round the world ? someone who has just returned from volunteer work in Africa ? someone who has just returned from a business trip to Europe ? someone who was expected to arrive home from work an hour ago, but hasn’t arrived yet Read and do the exercise in Learning English Vocabulary –Exercise 1 and 2 Key to Ex 1 1. permanent te