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 come to school?
-I usually come to school by subway.
-How often do you go to the library?
-Once/Twice/Three times a week/Very often/Every day/Sedom
1 I always come 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 class. come 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
(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.
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.
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.