九大时态详解-一般过去时.docx

二一般过去时定义：表示在过去的时间发生的事情或者存在的状态句型结构一：主语+系动词+表语系动词： be动词：was, wereamwasiswasarewere * be动词的搭配：I 用am, you 用are，is分给he，she，it；复数全部都用are。例1：I was a middle school student.例2：You were from China.例3：She was the best student in our class.例4：We were close friends.句型转换：变为否定句：I was not a middle school student.(在be动词后加not)变为一般疑问句：Were you a middle school student?（be动词提前，其它不变）回答： Yes, I was. No, I was not.句型结构二：主语+谓语动词+（宾语）谓语动词： 动词过去式动词过去式的变化规则：1. 在词尾+ed，如watchwatched;2. 当动词以“辅音+y”结尾时，改“y”为“i”并在词尾+ed, 如studystudied;3. 当动词以“辅音+e”结尾时，直接+d, 如likeliked;4. 当动词是重读闭音节结尾且词尾只有 一个辅音时，双写最后一个辅音+ed，如stopstopped;5. 不规则变化： havehad dodid gowent例5：My mum came home late last night.例6: I had many friends in my hometown.例7: Lily watched TV with her family yesterday afternoon.句型转换：变为否定句：My mum did not come home late last night. (在谓语动词前加did not, 动词变成原型)变为一般疑问句：Did your mum come home late last night?(在整个句子前加Did, 动词变成原型)回答： Yes, she did. No, she didnt.特殊疑问句的变化规则：三步走，一换二代三提前例1：Martin was in the park just then.(对划线部分提问)一换：换成一般疑问句 Was Martin in the park just then?二代：把划线部分用特殊疑问词代入 Was Martin in the park just then? where三提前：把特殊疑问词提前 Where was Martin just then?练习一：请把例2、3、4、6、7改成否定句、一般疑问句及其回答。练习二：请把下列句子改成特殊疑问句(写出变化步骤)1. You were from China.2. The students played football on the playground last weekend.练习三：请写出下列单词的一般过去式1. finish2. wash3. watch4. live5. play6. cook7. lik