1、Unit 2 What a day! 第2课时 Grammar time知识点一 描述天气的形容词【知识精讲】（一）词形转换rainy - 下雨的（形容词 ） snowy- 下雪的（形容词）（1）rain 名词：雨（不可数）： a lot of rain snow 名词：雪（不可数）： a lot of snow（2） rain动词：下雨 （2）snow动词：下雪例句：a) It rained yesterday. 昨天下雨了。b) Look! It is raining now! 看！现在正在下雨。c) It often rains here. 这儿经常下雨。d) Its often rai
2、ny.经常下雨了。（二）表示天气的形容词用法1. 表示天气的形容词warm cool hot cool sunny windy cloudy rainy snowy2. 形容词的用法： 形容词可以修饰名词，一般放在名词的前面。如：Its a sunny morning.是一个晴朗的上午。 形容词用于系动词（be,get,look）的后面，用来说明主语的特征。如：It was rainy yesterday.昨天是个下雨天。 形容词可以和副词连用，由于副词的强调作用，所表达的意思更深一层如：The jacket is too small for me.这件夹克衫对我来说太小了。【经典例题】It
3、was _(sun) yesterday. We went to the zoo.【名师解析】根据was可知，be动词之后要用形容词，用来描述天气，所以填sunny。知识点二 描述过去天气的句型【知识精讲】描述过去天气的句型-It was+表示天气的形容词+其他。Eg: It was sunny in the morning.早上天气晴朗。在描述天气时，我们可以用it来代指天气。因为描述的是过去的天气，所以be动词用was,后面接表示天气的形容词。Eg:It was cold in Changchun last winter.去年冬天长春很冷。【经典例题】It _ (be)rainy yest
4、erday, and its cloudy today.【名师解析】根据yesterday可知，是在谈论过去的天气，所以用一般过去时，it对应的be的过去式为was。知识点三 动词不规则变化【知识精讲】常见的动词不规则变化有：give- gave lose- lost become- became hold- heldcome- came bring- brought buy- brought see- sawwrite- wrote can- could find- found meet- metfly- flew【经典例题】We _ (go) to the park last Friday
5、. We _ (fly) kites there.【名师解析】根据last Friday可知，上下文语境为过去，go和fly的过去式为不规则变化，所以填went;flew。知识点四 be动词的过去式【知识精讲】be动词的过去式为was/were(1)be动词的过去时的肯定句式，结构为：主语+was/were+其他。Eg:The girl was in the zoo last Sunday.那个女孩上个星期天在动物园。There were some bananas on the table this morning.今天早上桌子上有一些香蕉。(2)动词的过去时的一般疑问句式，结构为：was/w
6、ere+主语+其他+？Eg:Was the girl in the zoo last Sunday?那个女孩上个星期天在动物园吗？Were there any bananas on the table this morning?今天早上桌子上有一些香蕉吗？(3)be动词的过去时的否定句式，结构为：主语+was/were+not+其他。Eg:The girl wasnt in the zoo last Sunday.那个女孩上个星期天没在动物园。There werent any bananas on the table this morning.（注意：肯定句中的变成否定句时改成了any）今天早
7、上桌子上没有一些香蕉。【经典例题】We went boating yesterday. We _(be) very happy.【名师解析】根据yesterday可知，上下文用一般过去时；We对应的be的过去式为were。知识点五 实义动词的过去时【知识精讲】实义动词的过去时的肯定句式，结构为：主语+动词的过去式+其他。Eg:We saw many interesting parrots.我们看见了许多有趣的鹦鹉。We watered flowers this morning.我们今天早上浇花了。He climbed the mountains yesterday.他昨天爬山了。【经典例题】I
8、 _my grandparents the day before yesterday.A. visit B. visited C. visitted 【名师解析】根据the day before yesterday可知，应该用动词的过去式，visit的过去式为规则变化，所以选B。课时小练一、单项选择1.Last autumn, I _ to Beijing. A.wentB.am goingC.goD.go to2.It was _ on 10th October. A.sun B.sunnyC.windD.clouds3.Two days ago, my sister _ her teach
9、er.A.visitB.visittedC.visitedD.will visit 4.They some birds in the forest yesterday morning. A.seeB.seeingC.sawD.sees二、写出下列动词的过去式play _fly _watch _draw _bring _can _go _三、用所给词的适当形式填空1.We _ (watch) a film last Sunday evening. 2.We _ (fly) kites high in the sky. 3.I _(go) swimming with Mike on 7th Aug
10、ust. 四、连词成句1.Saturday，it，last，was，sunny_ 2.school，came，Mike，to，bike，by_ 3.could，find，not，He，his，book_ 五、阅读理解阅读短文，判断下列句子与短文内容是否一致 It was Sunday yesterday. The weather was fine. It was sunny and there were no clouds in the sky. Sandy and Sue got up early in the morning. Now they were in the park. It i
11、s a big park and its so beautiful. They saw many people there. Some boys played football on the grass. Some girls danced under the tree. An old man walked beside the lake. A young woman and her little son looked at the fish in the lake. How happy they are!（1）Yesterday was Sunday. （2）The weather was
12、cloudy. （3）Sandy and Sue were in a small park. （4）Some boys danced and some girls played football. （5）There was an old man walking beside the lake. （6）There were some fish in the lake. （7）All the people in the park were happy. 【参考答案】一、A B C C二、played；flew；watched；drew；brought；could；went三、1.watched 2.flew 3.went 四、1.Last Saturday, it was sunny. 2.Mike came to school by bike. 3.He couldnt find his book. 五、（1）T（2）F（3）F（4）F（5）T（6）T（7）T
