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1、Unit 2 Ill help to clean up the city parks.,八年级下册英语（人教版）,单元语法专题Grammar Focus,在英语中，有些动词通过在后面加上介词、副词或其他词表达特定含义，这样的短语称为短语动词，其作用和动词差不多。有些短语动词相当于及物动词，有些则相当于不及物动词。短语动词的构成主要有以下几种形式：,动词介词 常见的有ask for，agree with，begin with，call on，care about，deal with，laugh at，take after，work on等。这类短语动词的宾语放在介词后。如： We have to
2、 look after ourselves when we are away from home.,动词副词 常见的有cheer up，clean up，fix up，give up，look up，hand in，take off，turn on/off/up/down等。这些短语动词的宾语是名词时，置于副词前后均可；若宾语是代词，则只能置于动词和副词之间。如： Turn off the light, please./Turn the light off, please. She looks really upset.Lets cheer her up.,动词副词介词 常见的有catch/k
3、eep up with，come up with，do well in，get on/along with，look forward to，run out of，stay away from等。这类短语动词的宾语只能放在介词后。如： What if you run out of all your pocket money?,动词名词介词 常见的有make fun of，make use of，pay attention to，take care of，take part in，take pride in等。这类短语动词的宾语只能放在介词后。如： You must pay attention t
4、o your spelling. be动词形容词介词 My sister is good at dancing.,1动词不定式的结构 动词不定式由“to动词原形”构成，没有人称和数的变化，在句子中不能单独作谓语。动词不定式的肯定形式是to do sth.，否定形式是not to do sth.。,2动词不定式的功能 动词不定式具有名词、形容词和副词的特征，因此在句中可作主语、宾语、宾语补足语、定语和状语等。如： I want to go shopping with you. I have something important to tell you. She got up early to
5、catch the train.,一、用括号内所给单词的适当形式填空。 1Dont forget _ (lock) the door when you leave. 2Would you like _ (go) and have a picnic with us tomorrow? 3I often hear the girl _ (play) the piano in the next room. 4Can we _ (put) off the meeting till next Monday morning? 5Would you please _ (give) out the exam
6、papers?,to lock,to go,play,put,give,二、单项选择。 6(成都中考)Our English teacher wants us _ English stories out of class. Aread Breading Cto read 7(河南中考)The boss asked Tim to go and _ out if there was anyone else absent. Afind Bfinding Cto find Dfound,C,A,8She came here _ her grandparents. Avisit Bto visit Cv
7、isiting Dvisited 9济宁中考)Xiongan New Area will help _ big problems in Beijing，such as traffic jams. Aset out Bcheck out Cwork out Dgive out,B,C,10The government of China _ the idea of A Belt and A Road in 2013. Acame up with Bcheered up Cput up Dtook up,A,三、用括号内所给单词的适当形式填空，使短文完整、通顺。 Yesterday my siste
8、r and I went 11. _ (buy) something for her birthday.She didnt really know what 12. _ (get) but she seemed 13. _ (like) the idea of a pet，so we went to the nearest pet shop.She started 14. _ (look) around at all the animals.The man in the shop advised her 15. _ (choose) the rabbits, but when she saw
9、some puppies16. _ (play) in the box, she said she would like 17. _ (have) one of them.,to buy,to get,to like,to look/looking,to choose,playing,to have,I didnt know if we had enough money 18._ (buy) one and I hoped my mother would want us 19._ (have) a dog in the house, but my sister promised 20._ (look) after it well and we had enough money, so we bought a little brown dog.,to buy,to have,to look,
