be动词一般过去式

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,*,*,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,*,*,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,be动词一般过去式,Lets start with a story,Once upon a time,there was a girl named Snow White.,In her kingdom,many people were familiar with her because she was the most beautiful and lovely girl in the world.,One day,she was given a big,red apple and ate it,However,today we will focus on the grammar in the story,but not the story itself.,Lets see the sentences in the story:,1.Once,there,was,a girl named Snow White.,2.In her kingdom,many people,were,familiar with her because she,was,the most beautiful and lovely girl in the world.,3.One day,she,was,given a big,red apple and ate it,Question:Do you notice the word“was&were?,Why do we use“was&were here?,be动词的一般过去式Past Simple of “be,1.,be,动词表达意义,be,动词的一般过去时态表示人或物在,过去,情况,或,存在的状态,。,E.g.,1.Jim was thirteen last year.,2.They were busy yesterday.,The things happened in the past.,future,now,past,The Simple Past Tense,A diagram may help to illustrate the problem:,Note:,在英语中，时间的变化是由动词变化表达出来的,They,were,popular.,One more example:,They,are,popular.,2,.,be,动词的变化,Note:,am,is,的过去式是,was,are,的过去式是,were,.,3.,be,动词构成的句式,3.1 肯定句,主语+be动词过去式+其他,e.g.,I am busy.(一般如今时),I was busy.(一般过去时),Note:,单数用,was,，复数用,were,.,3.2 否认句,主语+was/were+not+其他,e.g.,I am not busy.(一般如今时),I wasnt(was not)busy.(一般过去时),3.3 一般疑问句,Was/Were+主语+其他？,e.g.,1.Are you busy?(一般如今时),2.Were you busy?(一般过去时),15,4.,be,动词的过去式有四巧,时间状语巧,：,形式巧,：,否认句构造巧：,疑问句式巧,：,表示过去的短语要记牢；,单数,was,，复数,were,；,not,紧跟,was/were,；,was/were向前跑提早。,am,is 过去式 was,否认式 was not /wasnt,are 过去式 were,否认式 were not /werent,5.1,be,动词的一般过去时的用法,5.,小结,5.2 be动词的一般过去时的构造,肯定句：主语+谓语动词的过去式+其他,否认句：主语+was/were+not+其他,一般疑问句：Was/Were+主语+其他？,Many Thanks,