初中英语语法几大基本时态讲与练(5).doc
《初中英语语法几大基本时态讲与练(5).doc》由会员分享,可在线阅读,更多相关《初中英语语法几大基本时态讲与练(5).doc(4页珍藏版)》请在淘文阁 - 分享文档赚钱的网站上搜索。
1、初中英语语初中英语语法几大基本时态讲与练(法几大基本时态讲与练(5 5)过去进行时是表示过去某一时刻或某一时间内正在进行或发生的动作。可以从两个方面来 理解:1 过去某一时刻正在进行或发生的动作。E.g. They were playing football at ten oclock yesterday morning. My mother was cooking when I got home. I was washing my clothes at this time yesterday. 2 过去某阶段持续进行的动作 What were you doing during the hol
2、iday? 另 外,在复合句中,若主要动作和背景动作是同时发生的,那么主从句都可用过去进行时 e.g. Jenny was reading while Danny was writing.其结构是助动词 be 的过去形式 was/were +v-ing.其句式变化仍然要在 be 上做文章。E.g. We were working in class.We werent working in class. Were you working in class?过去进行时常与过去某一特定时间的状语连用,如 last night, at that time, at noon yesterday, las
3、t Sunday 等。 也有时没有时间状语,要通过上下文的暗示来确定用过去进行 时。E.g. The students all worked hard. Everyone knew what he was working for.做题时常见错误如下:做题时常见错误如下:一、易把一、易把 be+现在分词记成现在分词记成 be+过去分词过去分词例:He was talked (talk) to his mum at that time.答案:was talking解析:过去进行时与现在进行时结构上的区别体现在 be 动词上。二、丢掉二、丢掉 be 动词或忘记把动词变成现在分词动词或忘记把动词变成现
4、在分词例:1 I watching (watch) TV when he came in.2 They were play (play) games at 5:00 p.m. yesterday.答案:1 was watching 2 were playing解析:现在进行时中“be+现在分词,缺一不可”的规律也可应用于过去进行时。三、对动词或动词词组提问时丢掉三、对动词或动词词组提问时丢掉 doing例:We were flying kites at 5:00 p.m. yesterday. (对划线部分提问)What were you at 5:00 p.m. yesterday?答案:W
5、hat were you doing at 5:00 p.m. yesterday?解析:现在进行时中“Whatdoing”?句式同样适用于过去进行时。四、易与现在进行时弄混四、易与现在进行时弄混例:My mother is cooking (cook)when I got home.答案:was cooking解析:这两种时态的共同点是都表示动作正在进行,但现在进行时前提是现在,而过 去进行时前提是过去,由 when I got home 可看出前提是过去。五、易与一般过去时弄混五、易与一般过去时弄混例:昨晚我在读一本故事书。I read (read) a story book yester
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 初中 英语语法 基本 时态
限制150内