一般过去时的定义(课堂PPT).ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,.,*,一般过去时,的定义：,一般过去时,是表示过去经常或偶然发生的动作或存在的状态的时态,1,.,一般过去时,用动词的过去式,，,动词的过去式一般都加ed，如work worked结尾是e的只加d，如like liked.末尾只有一个辅音字母的重读闭音节要双写这个字母再加ed,如stop stopped，以辅音字母加y结尾的，先变y为i再加ed,如study studied,2,.,规则动词的过去式变化如下：,1、一般情况下，动词词尾加-ed，如：,work-worked play-played wanted-wanted act-acted,2、以不发音的-e 结尾动词，动词词尾加-d，如：,live-lived move-moved taste-tasted hope-hoped,3,.,3、以辅音字母+y结尾的动词，把-y变为-i 再加-ed，如：,study-studied copy-copied cry-cried carry-carried,4、以一个辅音字母结尾的重读闭音节动词，双写词尾辅音字母，再加-ed，如：,stop-stopped,4,.,一般过去时有什么句型构成,1。,情态动词,变过去 can-could/will-would/may-might/shall-should,2。,BE动词,变过去 am-was /are-were/is-was/,3。,实义动词,变过去 go-went/do-did/see-saw/talk-talked/,eg:I am a student.I was a student.,Mary goes to school at seven.Mary went to school at seven.,5,.,一、句型转换,1.The children,had a good time,in the park.,否定句：_,一般疑问句：_,对划线部分提问：_,6,.,1,.My mother _(not do)housework,yesterday.,2,.There _ a telephone call for you,just now.,(be),7,.,四、改错题(请改正每个句子中的一个错误),1How is Jane yesterday?_,2He go to school by bus last week._,8,.,