七年级下册英语第五单元知识点总结

七年级下册英语第五单元知识点
总结
Unit 5 Topic1
重点语法一般现在时(常与频度副词
never,seldom,sometimes,often,usually,always等连用)
重点句型-How do you usually e to school?
-I usually e to school by subway.
-How often do you go to the library?
-Once/Twice/Three times a week/Very often/Every day/Sedom
重点详解
1 I always e to school by bus.
by+交通工具名称，表示使用某种交通方式，中间不加限定词，如果交通工具前有a,the,my等限定词，就不能用by,而是用in或是on.
on the train=by train on his bike=by bike in my car=by car.
巧辩异同on foot与walk on foot走路，是介词短语，不能作谓语，只作方式状语，位于句末。

walk走路,是动词，可以作谓语。

go to on foot=walk to I often go to school on foot.=I often walk to school.
同样，go to.by bike=ride a bike to go to.by
car=drive a car to
go to by plane=fly to go to by bus=take a bus to
2 Come on!It s time for classe on快点，加油，来吧。

It s time for sth.该做某事了，与It s time to do sth.意思一样。

3 look的短语look the same看起来一样look like看
起来像
look for寻找look after照顾
4 do my homework at school在学校做作业
do one s homework做家庭作业(注意:one s要随主语的变化而变化，常用形容词性物主代词
my,your,their,our,his,her等)。

5 we want to know about the school life of American students.我们想了解一下美国学生的学校生活。

know about了解，知道关于。

6巧辩异同a few与few a few一些，few很少，几乎没有，修饰可数名词。

a little与little a little一些，little很少，几乎没有，修饰不可数名词。

7 They often play basketball or coccer,go swimming and so on.
go swimming去游泳and so on等等，表示还有很多。

拓展go+v.-ing表示去做某事，类似的有:go fishing去钓鱼go shopping去买东西go boating去划船go skating去滑冰
8 How often do you go to the library?你多久去一次图书馆?
how often多久一次，问频率。

答语常用频度副词never,always,often等或单位时间内的`次数once a week一周一次twice a month每月两次three times a year每年三次
语法讲解一般现在时
一般现在时表示:
(1)现在所处的状态。

Jane is at school.
(2)经常或习惯性的动作。

I often go to school by bus.
(3)主语具备的性格和能力。

He likes playing football.
(4)客观真理。

The earth goes round the sun.
常用的时间状
语:often,always,usually,sometimes,every day等等。

行为动词的一般现在时，助动词是do/don t和
does/doesn t.当主语是第一、二人称和所有复数形式时，行为动词用原形。

肯定式:I go to school on foot.否定式:I don t go to school on foot.
疑问式:Do you go to school on foot?-Yes,I do.-No,I don t.
当主语是第三人称单数时，动词用第三人称单数形式，在词尾加-s或-es。

肯定式:He goes to work by bus.否定式:He doesn t go to work by bus.
疑问式:Does he go to work by bus?-Yes,he does.-No,he doesn t.
Topic2
重点语法现在进行时态。

重点句型What are you doing?He is cleaning the dormitory.
Are you doing your homework?Yes,I am./No,I am not.
How long can I keep them?Two weeks.
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