be动词一般过去式PPT

1、be动词的一般过去式Past Simple of “be”,主讲人：王洁 石嘴山实验中学,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, to

2、day 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

3、 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 Si

4、mple 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体现出来的,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. (一般现在时) I was busy. (一般过去时),Note: 单数用was，复数用were.,3.2 否定句

5、 主语+was/were+not+其他 e.g. I am not busy. (一般现在时) 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? (一般现在时) 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 ：,否定句结构巧 ：,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（提前）。,am , is 过去式 was 否定式 was not / wasnt are 过去式 were 否定式 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