Unit 2 Let's play sports 重要语法精讲 (行为动词的一般现在时) 课件(共28张PPT)

(共28张PPT)
行为动词的一般现在时
译林版七年级上册
Unit 2 Grammar
目录-CONTENTS
01
定义
02
时间状语
03
结构
04
句型变化
05
练习
01
行为动词的一般现在时
定义
01
行为动词的一般现在时
定义
定义
行为动词：含有具体、实际的含义。
行为动词的一般现在时通常表示①经常性或习惯性的动作、②目前的爱好、能力等，以及③不受时限的客观事实。
举例
I get up at six in the morning. ①经常性或习惯性的动作
Mary likes drawing and draws very well.②目前的爱好、能力等。
April comes after March. ③不受时限的客观事实
02
行为动词的一般现在时
时间状语
02
行为动词的一般现在时
时间状语
① every
every day
every morning
every Sunday
...
She goes to bed before ten every day.
Tom plays football every Friday.
Every summer holiday, we stay on the farm.
02
行为动词的一般现在时
时间状语
②频度副词
always总是
usually通常
often经常
sometimes有时
seldom很少
never从不
Joe is never late for school.
They usually have six lessons.
I can seldom skate well.
Millie don’t often have hamburgers.
频度副词的位置：
be动词、情态动词、助动词之后；
行为动词之前。
02
行为动词的一般现在时
时间状语
③一天中的一部分
Kate reads English in the morning.
Linda has lunch at 12 o’clock.
The boy has a reading lesson in the evening.
in the morning
in the afternoon
in the evening
at night
at noon
at 3 o’clock
02
行为动词的一般现在时
时间状语
③不特定的季节、星期等
We make snowmen in winter.
The students doesn’t go to school at
weekends.
I go swimming in July.
on Sunday
in April
in winter
at weekends
...
02
行为动词的一般现在时
时间状语
④表频率的短语
once a year
three times a day
twice a month
Tim goes skating four time a month.
They play volleyball once a week.
She travels to Beijing once a year.
once 一次
twice 两次
数字+times ...次
易错点:
1. 对usually、seldom; once a week等提问用How often。
eg: Lisa goes to the library every day.
How often does Lisa go to the library
eg：I have Chinese lessons four times a week.
How often do you have Chinese lesson
02
行为动词的一般现在时
时间状语
易错点:
2. 对次数提问用How many times。
eg：I have Chinese lessons once a week.
How many times do you have Chinese lesson a week
eg：She watches films three times every month.
How many times does she watch films every month
02
行为动词的一般现在时
时间状语
03
行为动词的一般现在时
结构
03
行为动词的一般现在时
结构
行为动词的一般现在时结构：动词原形或动词三单形式
①当主语非三单时，行为动词用动词原形
②当主语是三单时，行为动词用动词三单形式
举例
The girls dance well.
The boy plays football every day.
03
行为动词的一般现在时
结构
练一练
the book a pen my house
the black cat our school his parents
some juice people their English teacher
Tom and I Lily’s cousins the nurses
a boy with big eyes a little milk some orange
a lot of oranges round glasses Tim with Tom
找出是三单的主语
① 大多数动词后加s
like-likes; eat-eats...
②以ch\sh\s\x结尾的动词后加es
watch-watches；fix-fixes...
③以辅音字母+y结尾的动词,去y变i,加es
study-studies; carry-carries...
④以辅音字母+o结尾的动词,去y变i,加es
go-goes;do-does
03
行为动词的一般现在时
结构
动词三单形式变化规则
特殊：have-has
04
行为动词的一般现在时
句型变化
04
行为动词的一般现在时
句型变化
当主语非三单时，添加助动词do;
肯定句：The twins want to be a doctor.
否定句：The twins don’t want to be a doctor.
一般疑问句：Do the twins want to be a doctor
否定句：do not/don’t +动词原形
疑问句：do置于主语前，行为动词用原形
04
行为动词的一般现在时
句型变化
当主语是三单时，添加助动词does;
肯定句：The boy likes sports.
否定句：The boy doesn’t like sports.
一般疑问句：Does the boy like sports
否定句：does not/doesn’t +动词原形
疑问句：does置于主语前，行为动词用原形
04
随堂练习
句型转化
1. Millie comes from the UK.(对划线部分提问)
2. My sister buys some flowers.(改成否定句和一般疑问句)
3. Lily and Linda go shopping on Sunday.(改成否定句)
Where does Millie come from
My sister doesn’t buy any flowers.
Does your sister buy any flowers
Lily and Linda don’t go shopping on Sunday.
05
随堂练习
04
随堂练习
填写动词的适当形式（带*为易错题）
1. Peter ______ (look) very sad. How _____ (be) he
2*. Who ______ (help) you, Tom
3. Some students in our class ______ (do) well in Math.
4. He usually ______(walk) to school.
5*. Everyone of us _______ (want) to win.
looks
is
helps
do
what和who作主语，看作三单
walks
wants
everyone、everything等是三单
04
随堂练习
填写动词的适当形式（带*为易错题）
6. Jim likes tennis and often _______ (play) it.
7. Linda never ______ (study) hard in Chinese.
8*. One of his friends ______ (have) a new computer.
9. _____ she ______ (make) cards for his mum on Mother‘s Day
10. When ______ your parents ______ (get) up
plays
studies
has
Does
one of...作主语，看作三单
make
do
get
04
随堂练习
填写动词的适当形式（带*为易错题）
11. Tommy _______(not be) a top student in class.
12*. ______ (not eat) snacks in the room, kids.
13*. Millie, _______ (put) the books here.
14. Mr Smith ___________ (not teach) us English.
15*. The Greens ___________ (not watch) TV every weekday.
isn’t
Don’t eat
don’t put
doesn’t teach
否定祈使句：don’t+动词原形
don‘t watch
the+形式+s：表示一家人，看作复数
04
随堂练习
句型转化
1. Kate and Mary like playing tennis.(对划线部分提问)
2. Mike does well in swimming.(改成一般疑问句并作否定回答)
3. Lin Tao comes from Fujian.(改为否定句)
What do Kate and Mary like doing
Does Mike do well in swimming No,he doesn’t.
Lin Tao doesn’t come from Fujian.
04
随堂练习
单选
1.Timmy usually ______ his homework before dinner.
A.do B. does C don’t do D isn’t do
2.Lily ______ have milk in the morning.
A. usually not B. don’t often
C. often doesn’t D. doesn’t usually
3. Maths _____ not easy for some students.
A. is B. are C. does D. do
频度副词位于助动词之后
maths,physics,James等本身s结尾的名词，并不是复数
04
随堂练习
单选
4. —_____ do you cook dinner for your family.
— Once a week.
A. How often B.How long
C. When D.How many times
5. Lucy‘s ______ come from the US.
A. hero B. English teacher C. uncle D.classmats
由谓语动词反推主语单复数
Thank you for watching !
End