1、一般过去时( 一)一般过去时表示过去某个时间或某一段时间内发生的动作或存在的状态，常和表示过去的时间状语连用, 如 yesterday, last night, last year, . ago, just now, in 2010 等。如：I visited my grandma last night. I was in Grade 6 last year. 含有 be 动词和含有实义动词的一般过去时的几种句式： 含有 be 动词的一般过去时的肯定句、否定句和一般疑问句如下：肯定句：主语+ was / were + 其他. 如：Jim was late for school yesterda
2、y.否定句：主语+ wasnt / werent +其他. 如：Jim wasnt late for school yesterday.一般疑问句：Was / Were +主语+其他? 肯定答语： Yes, 主语(人称代词) + was / were.；否定答语：No, 主语 (人称代词) + wasnt / werent.。如：Was Jim late for school yesterday? Yes, he was. / No, he wasnt.说明：was / were 根据主语的变化而变化(主语为代词 I, he, she, it ,可数名词的单数形式及不可数名词时用 was;主语
3、为代词 we, you, they 及可数名词的复数形式时用 were)。 含有实义动词的一般过去时的肯定句、否定句和一般疑问句如下：肯定句：主语+动词的过去式+ 其他. 如：Mike came to China in 2010.否定句：主语+ didnt + 动词原形+其他. 如：Mike didnt come to China in 2010.一般疑问句：Did +主语+动词原形+其他? 肯定答语：Yes, 主语(人称代词) + did.；否定答语：No, 主语(人称代词) + didnt.。如：Did Mike come to China in 2010?Yes, he did. / N
4、o, he didnt.说明：英语中动词过去式的构成分为规则和不规则两类。规则变化有以下规律：1. 一般情况下，在动词原形末尾直接加-ed。如：clean cleaned visit visited2. 以不发音的字母 e 结尾的动词，加 -d。如：arrive arrived save saved3. 以重读闭音节结尾的动词，且末尾只有一个辅音字母，先双写这个辅音字母，再加-ed。如：shop shopped plan planned 4. 以辅音字母加 y 结尾的动词，变 y 为 i，再加-ed。如：study studied worry worried 注意：动词过去式的不规则变化参见课
5、本 P142，同学们要牢记。【运用】. 根据要求改写下列句子。1. They were free yesterday morning. 否定句：_一般疑问句：_否定回答：_2. I watched TV ten minutes ago. 否定句：_一般疑问句：_肯定回答：_. 根据句意，用括号内所给动词的适当形式填空。1. I _(practice) the guitar for two hours yesterday afternoon. 2. Tom _(walk) to school every day. 3. Molly and her parents _(leave) China last Sunday. 4. Lindas brother _(be) at his friends home last night.答案：.1. They were not / werent free yesterday morning.; Were they free yesterday morning?; No, they werent. 2. I didnt watch TV ten minutes ago.; Did you watch TV ten minutes ago?; Yes, I did. . 1. practiced 2. walks 3. left 4. was
