2014七下Unit11全单元.ppt

二、一般过去时的结构（可分三类不同的结构） Be动词的一般过去时 (1)肯定句式：主语 + was / were + 其它.? (2)否定句式：主语 + wasn’t /weren’t+ 其它.? (3)一般疑问句：Was/Were + 主语 + 其它？ 肯定回答：Yes，主语+ was / were . 否定回答：No，主语+ wasn’t /weren’t. (4)特殊疑问词+was/were+主语+其他？ 肯定句：The air was clean yesterday. 否定句：The air wasnt clean yesterday. 一般疑问句： Was the air clean yesterday? 肯定回答：Yes, it was. 否定回答：No, it wasnt. 特殊疑问句：How was the air yesterday? 2. 行为动词(v.)的一般过去时态 (1)肯定句式：主语 + v-ed+ 其它. (2)否定句式：主语 + didn’t + v原形+ 其它. (3)一般疑问句：Did + 主语+ v原形+ 其它？ 肯定回答：Yes，主语+did. 否定回答：No，主语+did’t. (4)特殊疑问词+did+主语+v.原形+其他？ 肯定句：I rode a horse last Sunday. （1） （2） 否定句：I didn‘t ride a horse last Sunday. 一般疑问句： Did you ride a horse last Sunday? 肯定回答：Yes, I did. 否定回答：No, I didnt. 特殊疑问句： （1）What did you do last Sunday? （2）When did you ride a horse? 动词一般过去时，表示过去发生事； be用was或用were, have, has变had； 谓语动词过去式，过去时间坐标志； 一般动词加-ed，若是特殊得硬记。 否定句很简单，主语之后didn’t添； 疑问句也不难，did放在主语前； 如果谓语之前有did，谓语动词需还原； 动词若是was,were,否定就把not添。 Peter: Sounds good. How was the weather there? Eric: It was great, and the air was so clean. I watched the stars at night. They were so beautiful. Peter: Lucky you. Unite 11 How was your school trip? Section B 一般过去时 一般过去时：表示发生在过去的事情 构成：主语+动词过去式+其他 标志：1：句中有过去的时间如:yesterday, last week, in 2008, two days ago等 Carol took some photos last Sunday. 2:根据上下文 It was rainy yesterday. We stayed at home. 否定句:句中有were或was在构成否定句时，在was 或were 后面加 not You weren’t at school yesterday.（否定句） 疑问句:构成疑问句时，把 were或was放在主语前面，句尾加问号; 肯定回答和否定回答时态要与问句中的时态一致 ---Were you at school yesterday?（一般疑问句) ---Yes, I was. ---No, I wasn’t. 如果陈述句中的动词为实义动词，变成疑问句时，要用助动词do的过去式did帮助构成，这时后面的谓语动词要变成动词原形。 如：I rode a horse last summer . 改为一般疑问句： Did you ride a horse last summer ? Yes, I did. / No, I didn’t. 规则动词过去时的变化规则： 一般情况下， 在动词原形末尾加-ed ; played worked wanted needed 结尾是不发音字母-e 的动词加-d