Unit 11 Section A Grammar-3b 课件 2022-2023学年人教版七年级英语下册

Section A (Grammar Focus-3b) Unit 11 How was your school trip? watched TV What did you do last weekend? visited a friend Review cleaned the room played computer games played basketball stayed at home Did you …? Yes, I did. / No, I didn’t. go to the beach visit your aunt go fishing go skateboarding surf the Internet play soccer Presentation Grammar Focus How was your school trip? It was great! Did you go to the zoo? No, I didn’t. I went to a farm. Did you see any cows? Yes, I did. I saw quite a lot. Did Carol ride a horse? No, she didn’t. But she milked a cow. Were the strawberries good? Yes, they were./ No, they weren’t. Regular verbs Irregular verbs play→played do→did visit→visited is→was climb→climbed are→were study→studied have→had worry→worried eat→ate stop→stopped buy→bought 1. 定义 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，也可以表示过去的习惯或经常发生的动作。一般过去时常和表示过去的时间状语连用，如 yesterday, in 2016, last night, a week ago 等。 一般过去时（一） （1）be动词的过去式：am / is are （2）实义动词的过去式： ①一般在词尾加 -ed。 例如：play—played； clean—cleaned ②以字母e结尾的直接加 -d。 例如：live—lived； like—liked 2. 构成 was were ③以“辅音字母+y”结尾的，变“y”为“i”，再加-ed。 例如： study—studied； worry—worried ④末尾只有一个辅音字母的重读闭音节单词，先双写这 个辅音字母，再加-ed。 例如：stop—stopped； plan—planned ⑤不规则变化。 例如：let→let put→put cut→cut have→had do→did go→went eat→ate buy→bought write→wrote swim→swam sing→sang begin→began （1）含be动词过去时的句型：其否定句是在 was/were 后加 not，其一般疑问句和特殊 疑问句是把 was/were 提到主语前。 例句：— Were you at home yesterday? — Yes, I was./ No, I wasn’t. 3.句式结构 （2）含实义动词过去时的句型： ① 肯定句：主语+动词过去式+其他. ② 否定句：主语+did not (didn’t)+动词原形+其他. ③ 一般疑问句：Did+主语+动词原形+其他？ （其肯 定回答用“Yes，主语+did”，否定回答用 “No， 主语+di