初中英语人教版八年级下册过去进行时.doc

过去进行时教案一、教学目标1、掌握现在进行时与过去进行时的用法及构成。2、能运用两种时态做专题练习。二、教学重难点运用两种时态做专题练习三、教学过程1. 引入教师活动：多媒体展示图片引出句型。T: Look at the pictures and answer my questions.-What are they doing now ?-They are running.-What were they doing this time yesterday ?-They were running.两个问句的区别?学生活动:根据老师的提问回答问题。2. 展示学习目标掌握现在进行时与过去进行时的用法及构成。能运用两种时态做专题练习。3. 让学生回忆学过的两种时态并总结：现在进行:用法：表示此时此刻或现阶正在发生的动作。构成：肯定式：be ( am , is , are ) + doing否定式: am / is / are not + doing疑问式: Is / Are + 主语 + doing ?过去进行时:用法：过去某个时间正在发生的动作例：He was cooking at six last night. 昨天晚上六点，他正在做饭。过去某段时间正在发生的动作例：I was staying here from March to May last year. 去年从3月到5月，我一直呆在这里。与过去进行时连用的时间状语，常见的有 at nine last night/ at that time= then/ at this time yesterday /或有when the teacher came in/ while he was reading的提示构成：肯定式：be ( was , were) + doing否定式: was were not + doing疑问式：was were + 主语 + doing ?现在分词的构成：1、一般情况下在动词末尾直接加ing；2、以不发音的字母e结尾的动词，先去掉e，再加ing；3、以重读闭音结尾的动词，如果末尾只有一个辅音字母，先双写末尾的辅音字母，再加ing；4、少数几个以ie 结尾的词，把ie 改为y，再加ing；过去进行时和 When 连用A was/were +doing sth when B +did sthWhat was Lilei drawing when the teacher came in?过去进行时和 while 连用A was/were +doing sth while B + was/were +doing sth He was playing basketball while she was sleeping.练习用所给动词的适当形式填空1.Now Jims sister _(read) newspapers.2.He _(watch)TV at nine last night.3.He _(watch)TV last night.4.What _the twins _(do) then?5._Lily _(draw) a cat when the teacher came in ? -No, she _6._you _(have) supper at that time?7.Jack _(not read) a book at nine yesterday evening.8.Now Jim _(play) basketball on the playground（操场）.9.What _ he _ (do) at nine oclock last night.10.They _ (listen) to the music at that time.11.When the teacher came in, the students _ (read) the text.12.We _ (watch) TV when suddenly the telephone rang.黑板设计现在进行用法：表示此时此刻或现阶正在发生的动作。构成：肯定式：be ( am , is , are ) + doing否定式: am / is / are not + doing疑问式: Is / Are + 主语 + doing ?过去进行时用法：过去某个时间正在发生的动作例：He was cooking at six last night. 昨天晚上六点，他正在做饭。过去某段时间正在发生的动作例：I was staying here from March to May last year. 去年从3月到5月，我一直呆在这里。与过去进行时连用的时间状语，常见的有 at nine last night/ at that time= then/ at this time yesterday /或有when the teacher came in/ while