一般现在时总结

Do they play football in the playground?
肯定回答: 否定回答:
Yes, they do. No, they don’t.
Ex1. 将下列各句从肯定式改为否定式
1. I talk to Peter because I like him.. I don’t talk to Peter because I don’t lபைடு நூலகம்ke him.
• ②陈述句：She has a brother. • 否定句→ She doesn’t have a brother.
3）特殊疑问句
• 句式结构：
• 疑问词＋is/am/are +主语＋(其它成分)？ • What time is it now? • • 疑问词＋do +主语＋动词原形＋(其它成分)？ • When do you usually go to bed?
• cry---cries fly---flies
• 2.不规则变化：be---- is have----has
•归纳：第三人称单数
• 人称代词he, she, it是第三人称单数。 • He likes watching TV. 他喜欢看电视。 • She has lunch at twelve. 她十二点吃午
• Do the Greens often go swimming in summer?
• Yes,the Greens do./No,the Greens do not.
• Does+主语（第三人称单数）＋动词原形＋其它 成分?
• 肯定：Yes,主语+does. • 否定：No,主语 +does+not. • The earth goes around the sun.
一般现在时总结
目录
• 一 定义 • 二 谓语形式 • 三 句式变换 • 四 课堂练习
一 定义
• 一般现在时表示经常或习惯性的动作或一 般性事实,也可表示现在的状态或主语具备 的性格和能力。
• 通常与副词every day（每天），always（ 总是）,usually（通常）,often（经常） sometimes（有时）,等时间状语连用。
注意：变否定句时，在主语后谓语动词前加 助动词don’t,doesn’t变成否定句，切记：助动 词后的动词则还原成动词原形。
• ①陈述句：We get up（起床） at 7:00 every morning.
• 否定句→We don’t get up at 7:00 every morning.
疑问句要求把BE 提前，第一人称变成第二人称。
They are in the classroom.
否定句:
They are not (aren’t) in the classroom.
一般疑问句: 肯定回答: 否定回答:
Are they in the classroom? Yes, they are. No, they aren’t.
1)变一般疑问句:当句子中有be动词或情态动词时,则 把be动词或情态动词(can,could等)提到主语的前 面 句式结构：
• Am/Is/Are+主语＋其它成分? • 肯定:Yes,主语+be. • 否定:No,主语+be+not. • It is a tall tree.
• Is it a tall tree?
• 1、He found some meat in the fridge.（变一般疑 问句)
• _D_i_d__ he__fi_n_d__ _a_n_y__ meat in the fridge?
• 2、There was some orange in the cup.（变一般疑 问句)
• _W__a_s_ there _a_n_y__ orange in the cup?
• 疑问词＋does+主语（第三人称单数）+动词原 形＋（其它成分）？
• Where does Jim do his homework on weekdays ?
Exercises
Is he happy? Yes, he is happy.
Is he strong? Yes, he is strong.
（1）表示事物或人物的特征、状态。 • The sky is blue.天空是蓝色的。 • Mary’s father is an English teacher. • 玛丽的爸爸是一名英语老师。 （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。 • She plays sports every day. • 她每天都做运动。
• Is that your backpack? Yes,it is./ No,it isn’t.
• Are these your parents? Yes,they’re./ No, they aren’t.
• Are those Jim’s brothers? Yes,they’re./ No,they aren’t.
• Yes,it is./No,it is not.
注意：当句子中没有be动词，也没有情态 动词时，变一般疑问句时，在主语前加助 动词do (I, we, you,以及复数), does（第三 人称单数she,he,it等）变成问句；
• Do +主语(除第三人称单数) ＋动词原形＋其它成 分?
• 肯定:Yes,主语+do. • 否定:No,主语+do+not. • The Greens often go swimming in summer?
对于实意动词，疑问句要求：当主语是他(he)，她(she)，它 (it)时，句子前面加DOES，并把动词恢复原形；当主语是其他 人称时，句前加DO ，第一人(I/we) 称换第二人称(you)。
They play football in the playground.
否定句: 一般疑问句:
They do not (don’t) play football in the playground.
has
EX2 1.Tom often__ge_ts( get ) up at six in the morning
2. The earth _g_oe(sgo) around the sun .
3.Mary’s parent _liv_es(live ) in Beijing .
4. She _dr_aw_s (draw) very well.
He is not (isn’t) happy. Is he happy? Yes, he is. No, he isn’t.
I am happy.
否定句: 一般疑问句: 肯定回答: 否定回答:
I am not happy. Are you happy? Yes, I am. No, I am not.
二 一般现在时谓语
• 一般现在时谓语由动词原形表示,但主语为 第三人称单数时,谓语动词要加S或ES,其变 化规则如下:
• ★ 动词三单形式的变化规则： • 1.（1）多数直接在动词词尾加-s. • play — plays like — likes • ask---asks work---works • get---gets call---calls
I get up at 6:35 in the morning.
否定句:
I do not (don’t) get up at 6:35 in the morning.
一般疑问句: 肯定回答:
Do you get up at 6:35 in the morning? Yes, I do.
否定回答:
No, I don’t.
三 一般现在时的句子转换
• 一般现在时的构成： • 肯定句： • 主语＋is/am/are＋其它成分. • He is an office worker. • 主语(除第三人称单数)＋动词原形＋其它成分. • I get up at six every day . • 主语(第三人称单数)＋动词s/es ＋其它成分. • My father usually goes to work by bus.
动词be一般现在时的构成
get up
I get up at 6:35 in the morning.
water the flowers
She waters the flowers.
play football
watch TV
They play football He watches TV in in the playground. the sitting-room.
• （2）以字母s, x, ch, sh或o结尾的动词，在 词尾直接加-es.
• watch---watches wish---wishes
• do---does
go---goes
• （3）以“辅音字母加 - y”结尾的动词，要先 变y为i再加-es.
• try---tries study---studies
2）变否定句：在be动词或情态动词后面直接加
not变成否定句. (be后not莫忘记)
• 例：①陈述句：She is my sister..
•
否定句→ She is not my sister.
• ②陈述句：I can play soccer.
•
否定句→ I can not /can’t play soccer.
• 当数字或字母作主语时，看作第三人称单 数。
• ①"6" is a lucky number. "6"是个吉利数字。 • ②"I" is a letter. "I"是个字母。
Ex1. 写出下列词的单三形式：
look; go; give; fly;
have
looks; goes; gives; flies;
• ②This book is yours. 这本书是你的。 ③ That car is red.
• ④The cat is Lucy's. 这只猫是露茜的。 • 不可数名词作主语时为第三人称单数。 • ①The milk（牛奶） is in the glass. 牛奶在
玻璃杯里。
• ②The bread is very small. 那面包很小。
（3）表示客观现实。 • The table has four legs.桌子有四条腿。
• There are 50 students in my class. • 我们班有50个学生。 （4）表示客观真理，科学原理，自然现象，等客观
事实或格言谚语等。
• The sun rises in the east every day. • 太阳每天从东方升起。
• Does the earth go around the sun ?
• Yes,the earth does./No,the earth does not.
•一般疑问句的回答：
• 注意：一般用什么问就用什么来回答。 • 但以下例外：
• Is this a pencil? Yes,it is./ No, it isn’t.
What is it? It is a cat.
Is she busy?
Yes, she is busy.
Am I sad? No, I am happy.
Is it very hot? Yes, it is very hot.
He is happy.
否定句: 一般疑问句: 肯定回答: 否定回答:
• The earth goes around the sun. • 地球绕着太阳转。 （5）表示平日的喜好。
• I like bananas. We don’t like vegetables.
• He likes ice cream. She doesn’t like strawberries.
• 单个人名、地名或称呼作主语是第三人称 单数。
• ①Han Mei likes salsd . 韩梅喜欢萨拉。 ②Beijing is in China. 北京在中国。 ③ Uncle Wang often plays volleyball.. 王叔叔 经常打排球。
• 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。