1、 Yes,I am.是的,我准备好了。(No,Im not.不,我没准备好。)(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 morning.我早晨起床。b.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 vegetables.我不喜欢蔬菜。c.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
2、like oranges?你喜欢桔子吗?Yes,I do.是的,我喜欢。(No,I dont.不,我不喜欢。3.一般现在时的用法1) 经常性或习惯性的动作,常与表示频度的时间状语连用,如: every, sometimes, at, on Sunday等。I leave home for school at 7 every morning. 我每天早上7点去上学。2) 客观真理,客观存在,科学事实。The earth moves around the sun. 地球绕着太阳。Shanghai lies in the east of China. 上海位于中国的东部。3) 表示格言或警句中。Pr
3、ide goes before a fall. 骄者必败。注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。例:Columbus proved that the earth is round.4) 现在时刻的状态、能力、性格、个性。Xiao Wang writes good English but does not speak well.小王的英语书面表达能力比口语好。比较:Now I put the sugar in the cup.I am doing my homework now.第一句用一般现在时,用于操作演示或指导说明的示范性动作,表示言行的瞬间动作。再
4、如:Now watch me, I switch on the current and stand back. 第二句中的now是进行时的标志,表示正在进行的动作的客观状况,所以后句用一般现在时【No. 1】一般现在时的定义及构成一般现在时表示现在经常反复发生的动作、存在的状态或习惯性的动作。 构成:主语+动词原形+宾语一般现在时用行为动词的原形,但第三人称单数作主语时,动词要用第三人称单数形式。(一般的动词词尾+S。以sh/ch/s/x结尾的词+es.以辅音字母Y结尾的把Y变成i再+es。辅音字母+o结尾的+es.) 【No. 2】一般现在时的应用 (1)在实际应用中,一般现在时常与以下时间
5、状语联用:always, usually, often, sometimes, every week (day, year, month), once a week, on Sundays 例句:He usually plays football on Sundays.(2)没有时间状语,可以分以下四种类型:Abe型 这一类型由be动词+名词、形容词、副词、代词、数词或介词短语等一起构成谓语,表示主语的个性、特征或状态。如: I am a student.(主语+be动词+名词) They are hungry.(主语+be动词+形容词) He is out.(主语+be动词+副词) That
6、 pen is mine.(主语+be动词+代词) I am fifteen.(主语+be动词+数词) The bike is under the tree.(主语+be动词+介词短语)Bdo型 do型由行为动词充当谓语,表示经常性或习惯性的动作,其构成为“主语+动词原形或动词第三人称单数形式”。 I know it. He believes me.Cthere be型 there be型句子表示“存在”,其构成为“there be+主语+其他”,表示客观事实。用法遵循“就近原则”,即主语是单数或并列主语中的第一个主语是单数,则用there is;主语是复数或并列主语中的第一个主语是复数,则用
7、there are。 (1)There is an eraser on the teachers desk.(主语an eraser是单数) (2)There is an orange,five apples and eight bananas in the bag.(并列主语中的第一个主语an orange是单数)D情态动词型 情态动词型句子的构成为“主语+情态动词+动词原形”,情态动词和动词原形一起构成谓语,表示说话人对所叙述的动作或状态的看法。 He can speak a little English.(can+speak) May I have a book, please?(may
8、+have)【No. 3】一般现在时的变化 否定形式:首先找句子中有没有be动词(is, am或者are)或情态动词(can),如果有,只要在be动词或情态动词后面加上not。如果句子中没有be动词(is, am或者are)或情态动词(can)那么根据主语在后面加入dont(you, I或者复数)或doesnt(第三人称单数)。一般疑问句:首先找句子中有没有be动词(is, am或者are)或情态动词(can),如果有,只要将be动词或情态动词提前,放到主语前面。注意:句中第一人称和第二人称要互换。如果句子中没有be动词(is, am或者are)或情态动词(can)那么根据主语判断加入do(y
9、ou, I或者复数)或does(第三人称单数)。句中第一人称和第二人称也要互换。特殊疑问句:首先分析划线部分的意思,确定用哪个疑问词(what, where, who, when, which, whose, how, how many, how much, what shape, what colour, what doing, where going, what do),然后找句子中有没有be动词(is, am或者are)或情态动词(can),如果有,只要将be动词或情态动词放到主语前面(疑问词的后面)。1. We often_(play) in the playgound.2. He _
10、(get) up at six oclock.3. _you _(brush) your teeth every morning.4. What (do) _he usually (do)_ after school?5. Danny _(study) English,Chinese,Maths,Science and Art an school.6. Mike sometimes _(go) to the park with his sister.7. At eight at night, she _(watch) TV with his parents.8. _ Mike_(read) E
11、nglish every day?9. How many lessons_your classmate_(have) on Monday?10. What time_his mother_(do) the housework?改句子1. Do you often play football after school? (肯定回答)2. I have many books. (改为否定句)3. Gao Shans sister likes playing table tennis (改为否定句)4. She lives in a small town near New York. (改为一般疑问
12、句)5. I watch TV every day. (改为一般疑问句)6. David has got a goal. (改为一般疑问句)7. We have four lessons.(否定句)8. Nancy doesnt run fast (肯定句)9. My dog runs fast. 否定句:10. Mike has two letters for him.11. I usually play football on Friday afternoon.否定句:一般疑问句:划线提问12. Su Yang usually washes some clothes on Saturday
13、.划线提问:13. Mingming usually waters the flowers every day般疑问句:14. Tom does his homework at home.一般现在时用法专练(A) .用括号内动词的适当形式填空。1. He often (have) dinner at home.2. Daniel and Tommy (be) members of the Reading Club.3. She and I (take)a walk together every evening.4. There (be) some water in the bottle.5. We (not watch) TV on weekdays.6. Nick (not do) his homework on Sundays.7. they (like) the World Cup?8. What they usually (do) on holidays?9. your parents (read) newspape
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