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Unit 3
语法点1：频率副词
频率副词用来表示动作频率的，一般说来可按频率大小排列：
always（一直）＞usually（通常）＞often（经常）＞sometimes（有时）＞hardly ever（很少）＞never（决不）
一、频率副词的位置
频度副词通常放在动词前面，若句子里有情态动词、助动词或系动词 be，则放在这类动词（第一个）的后面。
例如：
It’s always interesting to watch other people show their talents.
Why do people usually make resolutions?
When we watch movies about the future, we sometimes see robots.
They hardly ever watch TV.
Fewer people will do such jobs in the future because they are boring, but robots will never get bored.
二、用法
1、often, always, usually等通常和一般现在时连用，表示现在经常或反复发生的动作。
如：It often rains here in April. 这儿四月份常下雨。
2、对这些频度副词提问时，用how often。
如：---How often do you write to your brother? ---Three times a month.
---你多久给你哥哥写信一次？ ---每月三次。
【注意】
“次数”的表达方法：
1、一次once，两次twice，三次或三次以上用基数词加上times：three times（三次），five times（五次），
one hundred times（一百次）
2、表示 “……几次” 的表达方法是：
once a day/a week/a month/ a year（一天/一周/一年一次）
twice a day/a week/a month/a year（一天/一周/一月两次）
time 表示不可数名词，意为 “时间”；表示可数名词，意为“次数，倍数”语法点2：物主代词
物主代词是表示所有关系的代词，分为形容词性物主代词和名词性物主代词两种。
● 形容词性物主代词相当于形容词，置于名词之前作定语。如my name, your birthday, their parents.
● 名词性物主代词相当于名词，不能用于名词前。例如：The blue pen is mine.
名词性物主代词 = 形容词性物主代词 + n.
人称 单数 复数
第一人称 第二人称 第三人称 第一人称 第二人称 第三人称
形容词性物 my your his her its our your their
主代词
名词性物主 mine ours his hers its ours yours theirs
代词
含义 我的 你的 他的 她的 它的 我们的 你们的 他（她、它）们的
如：
This isn’t my coat. Mine（= my coat）has been put in the classroom.
这不是我的大衣，我的（大衣）已经放在教室里了。
A student of his ( = his students) has gone to America. 他的一个学生去美国了。
This is my book. 这是我的书。
Exercise（频率副词）
一、知识点复盘
频率副词用来表示动作频率的，一般说来可按频率大小排列：
（ ）＞ （ ）＞ （ ）＞ （ ）＞ （ ）
＞ （ ）
二、单项选择
1．—________ do you go camping in the country? —Once a year.
A．How often B．How long C．How soon D．How much
2．—________ do you go to the movies? —Hardly ever.
A．How often B．How old C．How many D．How much
3．My father usually ________ to work.
A．drive B．drives C．droveD．is driving
4．________ say that English is too difficult for us to learn. We can learn it well with efforts.
A．Always B．Sometimes C．Often D．Never
5．—Does your brother ________ play basketball after work?
—Yes, he plays it every day.
A．always B．never C．hardly ever D．sometimes6．Speak aloud, please! I can hear you.
A．usually B．almost C．hardly D．nearly
7．— ______ do you write to your pen friend? —Once a week.
A．How long B．How soon C．How far D．How often
8．Zhang Hao ________ watches TV. He likes using the Internet.
A．hard ever B．hardly ever C．ever D．sometimes
9．Jane usually walks to school, but ________ she goes to school by bus.
A．sometime B．some times C．sometimes D．some time
10．David was so excited at the good news that he could _____________ say a word.
A．nearly B．hard C．ever D．hardly
二、根据要求完成下列各题
1. I visited my friends in Beijing twice a month last year.（对画线部分提问）
__________________ __________________ did you visit your friends in Beijing last year?
2. Mike always plays computer games on school nights.（改为否定句）
Mike __________________ __________________ computer games on school nights.
3. She watches TV every day.（对画线部分提问）
__________________ __________________ __________________ she watch TV?
4. Mr. Zhang is teaching him English.（用often改写句子）
Mr. Zhang __________________ __________________ him English.
5. I often go shopping.（对画线部分提问）
__________________ __________________ do you go shopping?
6. She washes clothes every Sunday.（改为否定句）
She __________________ __________________ clothes every Sunday.
7. We often visit our grandparents on weekends.（对画线部分提问）
__________________ __________________ you often __________________ on weekends?
8. Jack usually does his homework at school.（改为一般疑问句）
__________________ Jack __________________ __________________ his homework at school?Exercise（物主代词）
一、默写表格
人称 单数 复数
第一人称 第二人称 第三人称 第一人称 第二人称 第三人称
形容词性物
主代词
名词性物主
代词
含义
二、翻译下列词组
1、她的名字 2、我们的学校
3、我最喜欢的电脑 4、你的家庭
5、他们的手 6、你们的新朋友
三、填入适当的代词
1. This isn’t________knife. _________ is green. ( she )
2. You are a pupil. Is _____ brother a pupil, too? ( you )
3. _______ must look after ________ things. ( you )
4. Wei Fang, is that ________ ruler? Yes, it’s. ( you )
5. They want a football. Give __________ the green one, please. ( they)
6. It’ s Lin Tao’s bag. Give it to __________. ( he )
7. Is this pencil-box Li Lei’s? No，___is very new. ( he )
8. This box is too heavy. I can’t carry _________. ( it )
9. _____ is a boy _____ name is Mike. Mike’s friends like _____ very much. ( he )
10. My sister is in _____ room. ____ is a teacher. ( she )
11. Jane is a little girl. _____ mother is a nurse. ( she )
12. We are in _____ classroom. _____ classroom is big. ( we)
四、根据中文提示填空
1. This is_______father. 这是我的爸爸。
2. ---Is that bike _______? ---Yes, it’s_______. ---那辆自行车是你的吗？---是，它是我的。
3. ______like_______car. 我喜爱他们的小汽车。
4. Our school is here, and_______is there. 我们的学校在这儿，他们的在哪儿。
5. ---Whose bike is this? ---It’s （=it’s ）. ---这是谁的自行车？---是她的。
6. ---Is that car_______ ? ---Yes, it’s________. ---那辆车是你的吗？---是的，它是我的。
