牛津英语7AUnit1_语法练习.doc

牛津英语7AUnit1语法讲解与练习 一、定义：一般现在时表示经常或习惯性的动作，也可表示现在的状态或主语具备的性格和能力。 例：（1）表示事物或人物的特征、状态。The sky is blue.天空是蓝色的。 （2）表示经常性或习惯性的动作。I get up at six every day.我每天六点起床。 （3）表示客观现实。The earth goes around the sun.地球绕着太阳转。时间状语：一般现在时often、sometimes、always、usually等频度副词连用（位于系动词之后，行为动词之 前）；也常与every day, every week, every month, every term, every year, once a week，twice a year等时间状语连用二、一般现在时构成：一般现在时的构成主要有两种形式： （1）be型：句子的谓语动词只有be（am，is或are）： a肯定句中，只出现be，如： I am a studentb否定句中，要在be后面加not，如：She isnt a teacher c一般疑问句，要将be放在句子开头（首字母大写），答语：Yes，主语+be或No，主语+be+not 如： Are you ready？ Yes，I am/No，Im not（2）实义动词型：句中的谓语动词为实义动词（也叫行为动词）： a肯定句中，只出现实义动词，如：I get up in the morningb否定句中，要在实义动词前面加do（does）not，do（does）作助动词，本身无意义，常与not缩写成dont（doesnt），如：I dont like vegetablesc一般疑问句，要在句子开头加助动词Do（does），句尾用问号，简略答语用Yes，主语+do（does）或No，主语+do（does）not如： Do you like oranges？Yes，I do/No，I dont三、第三人称单数在一般现在时中，当主语是第三人称单数时，谓语动词要用第三人称单数形式，总结如下：1. 人称代词he, she, it是第三人称单数。2. 单个人名、地名或称呼作主语；是第三人称单数。如：Uncle Wang、Beijing、Han Mei3. 单数可数名词或this / that / the+单数可数名词作主语时，是第三人称单数。如：a horse、this book、that car、the cat 4. 不定代词someone, somebody, nobody, everything, something等及指示代词this, that作主语时，是第三人称单数。5. 不可数名词作主语时为第三人称单数。如：the milk、 the bread6. 当数字或字母作主语时，看作第三人称单数。如：6 is a lucky number. 6是个吉利数字。 I is a letter. I是个字母。四、动词+s的规则1一般情况下，直接加-s，如：cook-cooks, milk-milks2以s. x. sh. ch. o结尾，加-es，如：guess-guesses, wash-washes, watch-watches, go-goes3以“辅音字母+y”结尾，变y为i, 再加-es，如：study-studies 五、知识点归纳：一般现在时适用的情况：1.表示人或事物动作、状态，如：They usually watch TV on Sundays.2.表示人或事物现在的状态，如：He is twelve.3.表示经常的或习惯性的动作，如：I go to school at 7:30 every day.4.表示主语具备的性格和能力等，如：She likes apples.5.表示普遍存在或某种客观事实。如：March comes after February.常用的时间状语：often, usually, always, every , sometimes, once a week, on Sundays, 三单变化：1）一般情况下在动词尾直接加-s;如：readreads, writewrites, saysays;2）以s,sh,ch,x,o结尾的单词加-es；如：teachteaches, 3）以辅音字母+y结尾的词，先变y为i，再加-es;如：trytries. 六、巩固练习 一. 用所给词的适当形式填空：1.Simon_(play)football after school every day.2.He_(be)born in Beijing, but he_(live)in Nanjing now.3.Andylikes_(watch)TV.He_(watch)TVevery evening.4.I_(not have)breakfast at 7:00 a.m.5._ you_(do)your homework at home?6.There_(be)three people in my family.7.Simon_(be not)good at football.8.He wants_(play)in the next World Cup.9.I enjoy_(play)tennis.10.Lets_(go)home together.11.Here _(be) your football boots.12.There _(be) a lot of people in the supermarket.13.My brother _(have) an e-dog. 14._(be) your English teacher Chinese?15._yourmotherusually_(go) shopping at weekends?16.Where your family (have) breakfast on Sunday?17.Mygrandmaoften_(wear)glasses,Glasses(be)helpful for her.18.Mr Wu _ (not teach) us maths. 19.Can you finish_(read) the book in an hour?20.-_ Alice _ (live) near the cinema? - Yes. She often _(see) films there.21._ James _ (do) the homework at home?22.Mrs. Read likes _ (cook) a lot.23.My mother _(not go) to work on Saturday and Sunday.24.Theirteacher_(not live)inJiangsu.He_(live)in Shanghai.25.My cousin Sandy _(study) in No. 1 Middle School.26.His father _ (fly) to Beijing every month.27.She _ (watch) TV every evening.28.Milliealways_ (walk) to school very early in the morning.29.We _ (have) lunch at noon.30._ your father and mother work on Saturdays?二、句型转换：1.They do their homework for half an hour every day.(否定句)They their homework for half an hour every day.2.There is some water in the cup. .(一般疑问句)_ _ _water in the cup?3.Daniel doesnt watch TV every evening.(肯定句) Daniel TV every evening.4.Daniel lives on Spring Road.(划线部分提问) _ does Daniel _?5.She plays games at 4:30 p.m. (划线部分提问) _ _she play games?6. Its time for Millie to have a PE lesson.(同义句) Its time PE lesson.7. He swims very well.( 同义句 ) He is a very _ _.8. Her birthplace is Hangzhou.(同义句)She in Hangzhou.9.CanIsmokehere?(否定回答)No,_ _.10. He doesnt often fly a kite in the garden. (改为肯定句) He often _ a kite in the garden.11. The children like eating snacks and fruit. (改为否定句) The children _ _ eating snacks _ fruit.12. We often have dinner at my grandparents home. (改为一般疑问句，并作否定回答)_ _often _dinner at my grandparents home?_ , we _.13. Sandy takes a bus to school every day. (改为同