7A Unit 7 Fun after school 语法知识总结及
组卷网，总分 一、动词过去式的变化 1. be词的过去式： am /is 的过去式为was; are的过去式为were 注：be动词有人称和数的变化，主语为单数用was, 主语为复数用were 二、动词过去式的变化 2. 规则动词的过去式 a. 一般情况下，在动词原形后面加-ed。 look→looked play→played start→started b. 以不发音e结尾的动词，在词尾直接加-d。 live→lived use→used c. 以“辅音字母+ y”结尾的动词，先将 y 改为i ,再加–ed。 study→studied try→tried fly→flied d. 以重读闭音节（即辅音＋元音＋辅音）或r音节结尾,末尾只有一个辅音字母的动词， 要先双写辅音字母，再加–ed。 stop→stopped plan→planned prefer→preferred 不规则动词的过去式是需要记忆的。 三、一般过去时的判断标志词 yesterday；the day before yesterday；last +时间；this morning；时间+ ago; just now; in +过去的年份/月份 a moment ago , 四、一般过去时的句型转换 1. 谓语动词为be动词时 陈述句式：主语 + be(was , were) + 其它. He was a teacher ten years ago. 否定句式：主语 + be(was , were) + not + 其它. He wasn’t a teacher ten years ago. 一般疑问句：Be(Was , Were) + 主语 + 其它？ Was he a teacher ten years ago 特殊疑问句：特殊疑问词+be过去式+主语+其他？ What was he ten years ago 2. 谓语动词为实意动词时 陈述句式：主语 + 动词（过去式）+ 其它 He lived in Bengbu last year. 否定句式：主语 + didn’t + 动词（原形）+ 其它 【did not = didn’t】 He didn’t live in Bengbu last year. 一般疑问句：Did + 主语+ 动词（原形）+ 其它？ Did he live in Bengbu last year 特殊疑问句：特殊疑问词+did+主语+动词原形+其他？ Where did he live last year 3. 谓语动词为情态动词时 陈述句式：主语 + 情态动词的过去式 + 其它. He could swim when he was just a little boy. 否定句式：主语 + 情态动词的过去式 + not +动词原形 He couldn’t swim when he was just a little boy. 一般疑问句： 情态动词的过去式 + 主语 +动词原形 +其它？ Could he swim when he was just a little boy 特殊疑问句：特殊疑问词+ 情态动词的过去式 +主语+动词原形+其他？ What could he do when he was just a little boy
组卷网，总分： 根据括号内的要求，完成句型转换，每空一词。 1. He plays the piano every day. (用yesterday替换every day改写句子) He_____ the piano yesterday. 2. They went to the library at 8:30 a.m. yesterday. (对划线部分提问) _____ _____ they_____ to the cinema yesterday 3. Jim grew some flowers in the garden ten days ago. (改为否定句) Jim_____ _____some flowers in the garden ten days ago. 4. — Was Mandy happy at the New Year’s party last week (作否定回答) —_____,_____ _____. 5. They found out some interesting stories in the book. (改为一般疑问句) _____ they_____ out any interesting stories in the book 用所给词的适当形式填空。 1. Tom_____ (plan) to go to visit Beijing last weekend. 2. She_____ (not eat) anything for breakfast this morning. Now she_____(be) hungry. 3. _____ (be) you tired after finishing all the work yesterday 4. Tom _____(stay) at home yesterday.He_____(study) by himself. 5. I often_____(walk) to school. But I_____ (take) the bus to school ye ... ...
