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dictionary. (They bought a dictionary and they have it now.) 他們買了一本字典。 yet “仍然 , 還” 這兩個副詞常常用于完成時態(tài) , 其中 already 常用于肯定句 , yet常用于否定句和疑問句中。 I haven’t read the story yet. 我還沒讀過這個故事。 (說話時可能是下午或者晚上 ) It has been cold this winter. 今天冬天一直很冷。 一般不能用于進(jìn)行時的動詞也不能用于 現(xiàn)在完成時行時。 I have been waiting for him for an hour. 我等他等了一小時。 2. 我五年前就認(rèn)識李雷了。 She has been a nurse for three years. I have known Lilei since five years ago. I have already posted the photos to him. He has taught me since I came to the school. I have just lost my history book. 二 翻譯 borrowed the library book two days ago. I _______ _______the library book________ two days. meeting started ten minutes ago. A. The meeting________ _________ _________ _________ten minutes ago. B. The meeting________ _________ ___________ ________ten minutes. have kept for has been on has been on since for 三 同義句 brother joined the Party last year. A. My brother _________ _________ ________the Party since last year. B. My brother__________ ________ _______ party member since last year. left Nanjing two years ago. He_________ _________ ________ ________ Nanjing for two years. has been in has been a has been away from 5. That dog died last month. That dog_______ ________ ________since last month. 6. He has had the bike for two years. A. Two years______ _______since he ________the bike. B. It’s ______ __________since he_________ the bike. C. He _______the bike two years__________. has been dead has passed bought two years bought bought ago Homework Try your best to learn more about the usage of has /have done. Then make conversations with the books’ name in this unit.