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need-needed laugh-laughed carry-carried cry-cried stop-stopped like-liked prefer- be-was/were say-said see-saw have-had forget-forgot know-knew catch-caught teach- 练兵场 1.-When__you ___to learn to skate?. -Five years ago. A. do; start B. Will; start C. had; start D. did; start * * 时 态 一般现在时 一般过去时 一般将来时 八种时态 现在进行时 现在完成时 过去进行时 过 去 完 成 时 过 去 将 来时 Teaching aims: 1.一般过去时的用法和结构。 2.现在完成时的用法和结构. 4.现在完成时与一般过去时的 区别. 中考题型:单选、完形填空 一般过去时用法 过去动作 过去状态 过去连续几个动作 I saw him yesterday. I was in Grade One last year. She picked it up ,passed it to me and went out. 一般过去时 simple past tense 主语+did/ 主语+ was、were 助动词:did/was/were; 行为动词没有主谓一致变化; be单数是was 复数是were 结构: 过去式 taught preferred 2. I __ the wrong thing. Can I use your eraser? A. write? B. wrote C. am writing D. will write 现在完成时 present perfect tense 1)现在完成时态表示 过去发生的动作对现在造成的影响或结果 。 Our teacher has left . I have already finished the homework . He has had his lunch . He has become a doctor . Have / has + 过去分词 1. 构成 2. 用法 2)某个动作从过去已经开始, 一直持续到现在, 动作的持续性要通过一段时间来表示。 一段时间的表达方法有 两 种: For : + 一段时间 for a year for two weeks for three years Since :+过去的某一时刻, since nine since last week +一般过去时态的时间状语从句, since you came. since you got home. 1. My aunt has worked in a company _____1949. 2. I have not heard from my uncle ______ a long time. 比较since和for since for 现在完成时的标志词: ever,never,already; just,before和yet; since短语和从句; for 短语 , recently; in the past 段时间; in the last…也可以 比较already和yet already用于肯定句中, yet 用于否定句中和疑问句中. I have ______ had breakfast. He hasn’t come back_____. already yet He has gone to Shanghai. 他(已经)去上海了。 He has been to Shanghai. 他(曾经) 去过上海。 比较 have/has been to have/has gone to 1. Where is your father ? He _____ _____ _____ London. 2. How many times _____ you _____ _____ Beijing? Never. 3. I can’t find your mother. Oh, she ____ ___
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