初中英语知识点微课课件 考点精讲 同课异构 22 一般现在时（15张PPT）

一 般 现 在 时
一、激趣导入
同学们，请做以下练习，用所给动词的适当形式填空。
本次课我们一起来学习英语中一般现在时的用法。
1. Let me ______ (have) a look .
2. ____________? (not look) at your book !
3. Who ?________? (teach) your English in your school?
4. The weather ?____? (be ) windy today.
have
Don’t look
teaches
is
二、考点剖析
1、命题思路
考点1：一般现在时可表示经常性或习惯性的动作，常与often，usually，always，sometimes，every day等连用。
考点2：一般现在时可表示现在的情况或状态。
考点3：如果主句为一般将来时，在时间、条件状语从句中，用一般现在时表示将来。
考点4：一般现在时常用来表示客观事实或永恒的真理。
1.表示现在的状态：e.g. He’s twelve.
She’s at work.
2.表示经常或习惯性的动作： e.g. I get up at 6:30 every day.
He reads English every morning.
3.表示主语具备的性格和能力等：e.g. She likes noodles.
They speak French.
4.表示普遍真理和自然规律：e.g. Two plus four is six.
The moon goes around the earth.
例1:一般现在时态的基本用法.
频度副词在句中的位置(be后动前)
（1）系动词，助动词，情态动词之后
She is often late for school. I will never do it again.
（2）行为动词前： They usually go to school on foot.
Jim always helps others.
主要有：often, usually, seldom（很少）, always, sometimes,
on weekdays, in spring/…, in the morning/afternoon/evening,
at night， once a month ，every ~.
例2：一般现在时中常用的时间状语
1.be 动词的一般现在时的句式：　
肯定句： e.g. He is a worker. You are thirteen.
They are in the classroom.
否定句：e.g. He is not a worker.　You aren’t thirteen.
They aren’t in the classroom.
例3：一般现在时态的基本句式：
一般疑问句： e.g. Is he a worker? Yes, he is./No, he isn’t.
Are you thirteen? Yes, I am./No, I’m not.
Are they in the classroom? Yes, they are. No, they aren’t.
特殊疑问句： e.g. What is he? How old are you? Where are they ?
2.实义动词的一般现在时句式：
肯定句：a. 主语（I/We/You/They）+实义动词+其他
e.g. I stay at home on Saturdays. They have sports every day.
b. 主语（He/She/It）+实义动词三单现形式+其他
e.g. He stays at home on Saturdays. Lucy has sports every day.
否定句：a. 主语（I/We/You/They）+do+ not+动词原形
e.g. I don’t stay at home on Saturdays.
They don’t have sports every day.
b. 主语（He/She/It）+does +not+动词原形+其他
e.g. He doesn’t stay at home on Saturdays.
Lucy doesn’t have sports every day.
一般疑问句：
a. Do+主语（I/we/you/they）+动词原形+其他？
e.g. Do you stay at home on Saturdays?
Do they have sports every day?
b. Does+主语（he/she/it）+动词原形+其他？
e.g. Does he stay at home on Saturdays?
Does Lucy have sports every day?
特殊疑问句：疑问词+ do/does+主语+动词原形+其他？
e.g. What do you want?
What time do you have lunch?
缩写形式: doesn’t = does not; don’t = do not

3.实义动词第三人称单数的动词形式变化规则:
绝大多数动词
+s
walk—walks
辅音字母+y结尾的动词
将y改为i+es
fly—flies
以s, x, ch, sh 结尾的动词
+es
watch—watches
一些以o结尾的动词
+es
go—goes
do—does
have的第三人称单数为has
练习一：根据要求进行句型转换
2、练一练
1．This is my pencil ? (变一般疑问句)
??____ _____ _______ pencil ?
2. These red socks are Kate’s . (变一般疑问句）
　??_____ _____ socks Kate’s ?
3. I want to buy a big green bag . (划线部分提问）
　______ ______ you want to buy ?
4. Mary does not have any books . (变肯定句）
　Mary ____ ______books .
has some
What do
Is this your
Are these
5. The teacher wants to join a music club . (特殊疑问句)
　_____ club ______ the teacher want to join ?
6. She doesn’t know when to join the rock band . (肯定句）
　She ______? when to join the rock band .
7. My mother usually has lunch at 12:12 . (画线提问)
?? ?_____ ____ ____ your mother usually _____ lunch ?
8. Lily goes home late on Friday afternoon . (一般疑问句）
??? ______ Lily ___ home late on Friday afternoon ?
What does
knows
What time does have
Does go
练习二：选择填空
1. I will tell him as soon as he _____ back
A. come B. comes C. will come D. came
2. Neither I nor he ______ French.
A. speak B. doesn’t speak
C. speaks D. doesn’t speak
3. Nobody ______ how to run this machines.
A . knows B. have known C. know D. is knowing
4. I hope he will come to see me before he ____ here .
A. leave B. leaves C. will leave D, left
3、答题技巧
１、一般现在时中在不同句型中的用法：注意陈述句，疑问句和否定句的变化。掌握第三人称单数的变化形式。
2. 在条件状语从句时间状语从句中，主将从现。
3.在宾语从句中，从句内容若为客观事实或真理，从句时态不受主句约束，为一般现在时。
Eg:　The teacher told us that the earth goes around the sun.
有关一般现在时态用法的注意事项：
三、思维导图