初中英语人教版八年级上册第二单元知识点
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初中英语人教版八年级上册第二单元知识点
Unit 2 How often do you exercise?
n A
1.How often do you exercise?
how often对做某事的次数/频率进行提问，常用表示频率的词进行回答，如：always。usually。often。sometimes等。
2.表示频率的短语
次数+一段时间“多久一次”
次数为三次及以上：“基数词+times”
如：once a day。twice a week。three times a month。
3.Hi，Clair。are you free next week?
sb be free= sb have time某人有空
Are you free?=Do you have time?
XXX某物是免费的
XXX.
糊口中最好的工具是免费的。
4.Hmm。next week is quite full for me.
be quite full for sb=be quite busy for sb某人很忙
5.She said it’s good for my health. health (n.)安康---XXX(adj.)安康的XXX
Be in good health=healthy身材安康
Grammar focus
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不安康的6.How often的用法
how often用来对透露表现做某事的频次举行发问，回覆时能够用透露表现频次副词或透露表现频次的短语举行回覆。
如：
How often do you go shopping?
1）---Ioftengo shopping。(频次副词回覆)
2）---I go shopping twice a week。(频次短语回覆)
2.频次副词
位置：be之后，动之前。（be动词之后，Shiite动词之前）频率词及发生概率大小(由大到小):
Always。usually。often。sometimes。hardly ever。never(100%--0%)3.频率短语
位置：句尾
次数+一段工夫
如：---How often do you watch TV?
I watch XXX. 4.与how相关的短语
1）如何，如何。对体式格局，办法举行发问。
如：---How do you go to school?
I go to school by XXX.
2）how far多远，对距离提问
如：---How far is it from your home to school?
2
It’s 2 kilometers./It’s about 20 minutes’by bus.
3）how long多久时间/长度多长，对时间/长度进行提问如：---How long does it take you from home to school?
About 30 minutes by XXX.
How long is this river?
About 3000 kilometers.
4）how soon多久以后，回答用“in +一段时间”，表示将来时态
如：---How soon will you be back?
In two weeks.
5）how often多久一次，对频率进行提问，回答用频率副词或频率短语 6）how many times多少次，对次数进行提问。问句中有表示时间段的词。
如：---How often do you go shopping?
I often go shopping./I go shopping twice a week.
How many times do you go shoppingin a week?
Twice./I go XXX.
n B
1.but my mom wants me to drink it。she says it’s good for
myhealth.
1)want sb to do XXX想要某人做某事
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2)be XXX对某人/某事有优点
3)be bad XXX对某人/某物不利
4)XXX坚持安康2.Let’s start with the first n.
XXX.从。开始
3.I can’t stand milk.
XXX.忍受stand站立
4.I eat three or four times a week.
XXX一周三，四次
XXX一周三到五次 e the =go online上网
6.go camping
go + v-ing透露表现“去做某事”
go XXX。
7.in the country=in the countryside在乡下/乡村
8.What do No.5 High School students do in their free time?
in one’s free time在某人空闲的时候
st month weaskedour students about their free
timeactivities.
1）XXX讯问某人关于某事
XXX.
2）ask (sb) for sth请求（某人）给予某物
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3）ask sb (not) to do sth让某人（不）做某事
4）ask XXX询问某人某事
10.Here are the results.
在以地点副词开头的句子中，如果主语是名词（短语），句子要用倒装句。结构为：
Here/There +谓语+主语。 11.We found out that only fifteen percent of our
studentsexercise every.
1)表示“百分之几的。/。percent of sth”做主语时，谓语动词的单复数取决于of后面的名词，如果of后面的名词是可数名词时，谓语动词用复数，of后面的名词是不可数名词时，谓语动词用单数。
如：15% of studentsareboys.
20% of the milkiswater.
2)find out发现，发觉
12.Twenty percent do XXX.
not。at all根本，一点也不
not放在be动词大概助动词背面,at all放句尾。
如：He is not fat at all.
XXX.
not at all在口语中单独成句，用来回答感谢或者道歉语。---Thank you for your help!
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Not at all。(不客气)
XXX.
Not at all.(没关系) 13.Most students use it for fun and not for homework.
for+ n./v-ing表目的“为了”
XXX.
14.The other ten percent use it at XXX times XXX.
XXX.别的的，别的的
辨别：other。the other。others。another。the others
单词
other
the other
含义
adj.其他的（人/物）
adj.特指二者/两局部
中的个中一个/一局部
XXX
XXX
another
n.其他的人/物
n.特指残剩的所有
adj.另一个
背面不接名词=other+名词 后面不接名词=the other+名词
another+大于1的基数词+名词
复数
another+名词单数
Eg: I have some other books.
I have two pets。One is white。the other is black.
Some students like football。XXX.
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用法
背面接名词
后面接名词/单独使用
There are 10 balls。6 are red。and the others are yellow.
The apples are pretty。I want another 2 apples.
15.XXX。
XXX。问题的答案
the key to the door门的钥匙
16.Although many students like to watch sports。game XXX.
1) although:有虽然没但是，有因为没所以
2)popular:受欢送的；风行的
XXX。欢迎 get popular受欢迎；流行
17.It is good to relax by using the。or。
1)It’s + adj。(for sb)to do XXX对某人来讲做某事是。的(2)介词by的用法
①表示方位，意为“在。旁边”
②透露表现工夫，意为“在。之前”
③透露表现交通体式格局意为“搭乘。”
④透露表现作者，意为“由。创作（编导/作曲/导演）”
XXX.他坐在树中间。
XXX the work by 12 o’clock?你能在5点前完成工作
吗？
XXX.她坐地铁去学校。
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This is a famous book by Li Xun.这是XXX的一本著名的书。18.we think the best way to relax is through exercise.
1)the best way to do sth做某事的最好办法是。
to do放在名词背面润饰前面的名词
如：This is a good XXX.
这是一个休息的好地方。
2) through & across
