八年级下英语语法复习课件.ppt

八年级下语法 感官动词 ①look, sound, smell, taste, feel ②后接形容词 He looks angry His idea sounds interesting. The cakes smell nice. The mooncakes taste delicious. The silk feels soft. 如果加介词like构成词组,则后不可接形容词，而接名词或代词 sound like 听起来像... look like 看起来像... taste like 尝起来像... smell like 闻起来像... feel like 摸起来像... 翻译句子 ① 他看起来像他的妈妈。 He looks like his mother. ②那听起来像个好主意。 That sounds like a good idea. ③它闻起来像花。 It smells like a flower. ④它尝起来像盐。 It tastes like salt. 作名词 smell 气味 The flower has a strong smell. take a smell 闻一闻 feel是“摸”或由“摸”引起的感觉。 have a feel have a taste have a look 并列连词and ，but ， or ，so用法 连词是连接单词、短语或者句子的一种虚词，在句中不单独做任何成分 ①并列连词 并列句 ② and 并列关系 but 转折关系 or 选择关系 so 因果关系 and的用法 并列连词and意为“和，又” ①表示并列关系， ②连接表示对等成分的单词、短语或者句子 ③表示意思的顺延或增补。 1）Our Maths teacher is kind and helpful. (连接连个形容词） 2）I went to the supermarket and bought some vegetables this morning. （连接两个动词短语，表示意思的顺延，动作的先后发生） （3）Her uncle gave her a new bike as her birthday present and she liked it very much. 连接连个简单句，表示意思的顺延，并列句） 表示条件和目的关系 ①Come and see my family Go and see pandas ② 祈使句 +and+将来时的句子 Work hard, and you will get good marks. Be careful, and you will make fewer mistakes. Work hard and you’ll succeed. but的用法 ①并列连词but意为“但是”， ②表示转折关系， ③所连接的成分意思相反或相对 1）Our school is small but beatiful. （连接两个形容词，意思相对） （2）The car is very old but it runs very fast. 用于not…but…，表示不是……而是……” Not you but I am wrong. 用在某些否定语后，表示“只……”： He eats nothing but hamburgers. 他只吃汉堡包。 She knows no one but you. 她只认识你。 You have nobody but yourself to blame. 只能怪你自己。 No one but me saw her. 只有我看见他。 or的用法 并列连词or意为“或者”，表示选择关系 （1）Which do you like better ,juice or milk? （连接两个名词） （2）Do you often go to school on foot or by bike?（连接连个介词短语） （3）You can stay here, or you can leave. (连接两个简单句） 在否定句中否定并列成分时，用or，而不用and。 例如： I cant speak English or French. “祈使句+or+将来时的句子”结构用句型。 句型中，or意为“否则”，祈使句相当于一个条件 Put on your coat，or you will catch a cold. =If you don’t put on you