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aluableof great value 2. other phrases and sentence pour into look around drop… into carry… to water treatment works sewage plant pump… into remember not to do sth. shake one’s head It is + adj. for sb. to do sth. 3. Ask the students to finish Exercise B1 on page 2 and think about Exercise B2 on the same page. 4. 一般 過去時 一般過去時的構(gòu)成 句式 結(jié)構(gòu) 舉例 肯定式 主語 +動詞過去式 +其它 They had a good time yesterday. 否定式 主語 +did not(didn’t)+動詞原形 +其它 They didn’t watch TV last night. 一般疑問句 Did+主語 +動詞原形 +其它? 肯定回答: Yes,主語 +did. 否定回答: No, 主語 +didn’t. Did they have a meeting two days ago? Yes, they did. / No, they didn’t. 特殊疑問句 特殊疑問句 +did+主語 +動詞原形 +其它? What time did you finish your homework? 5. 一般過去時的用法: 表示過去某個特定時間發(fā)生的動作或存在的狀態(tài) He suddenly felt ill yesterday. 表示過去經(jīng)常發(fā)生的動作或存在的狀態(tài) I wrote home once a week at college. 表示過去連續(xù)發(fā)生的一系列動作 The students went up early in the morning, did