第一单元Unit 1 Where is your pen pal from?
国家与语言(熟悉内容):
China – Chinese (汉语,中国人)  England – English  Canada – Canadian (加拿大人) dnf恢复角 France – French (法语,法国人)America – American (美国人)Japan – Japanese (日语,日本人)  Australia – Australian  (澳大利亚人)
p1be from =come from 来自 
Linda is from  Japan.= Linda comes  from  Japan.
那么Where's your pen pal from?= Where do your pen pal from ?
(p2)live,居住(后跟地点是常用live in)
I live in China.  Do you live in China?  YesI do.  No, I don’t.. 
His aunt lives in Sydney.  Does his aunt live in Sydney?  Yesshe does 乌拉草床垫No, she doesn’t.
Where do you live? ( where 是副词,动词live搭配时,动词后不能加介词in)
Where does his aunt live?
(p3)说某种语言用speak.  Speak Chinese/ English / Japanese  / French 说汉语/英语/日语/法语
问某人说某种语言用句型What language do/does sb speak?
What language do you  speak?  I  speak  Chinese.
What language does Mary speak?  She speaks English .
p5,3a14 years old  14    解释:数字+ years old    当数字大于1时,year用复数yearsI am 30 years old.  Her son is 1 year old. 
(p5,3a)can为情态动词,“能,能够,会”。后面跟动词时必须用动词原形。
肯定句变成一般疑问句需把can提到句首。肯定句变成否定句只需把can变成can't 既可。例如:
She can speak English.  Can she speak English?  Yes, she can No ,she can't
She can't  speak English.
p5,3aLike+动词ing表示“喜欢做某事”I like playing basketball. 
Tom likes listening to music.
注意:“Like+to+动词”也表示“喜欢做某事”,只是“Like+动词ing”表示习惯性动作(也可以说是爱好),而“Like+to+动词”表示一次性或短暂性的。
He likes playing basketball, but today he doesn't like to play basketball.他爱好打篮球(爱好),但是今天他没去打篮球(短暂性的)。
p5,3aWrite to 人:写信给某人 He often Writes to his mother. Do you often Write to your pen pal? 
(p5,3b)on weekens在周末
(p5,3b) favorite形容词“最喜爱的”,名词“最喜爱的人或物”。         
My favorite sport is  soccer.我最喜爱的运动是足球。
Hamburgers  are  my favorite.是我最喜爱的食物。
(p5,3b)tell sb.  about  sth. 告诉某人某事       My  mother  often tells me about my  grandfather我的妈妈经常告诉我关于我爷爷的事。
第二单元Unit 2 Where’s the post office?
p7-8There be结构的一般现在时基本句型如下:
肯定句:There is(There's) a big supermarket near my home.(可数名词单数)在我家附近有一个大超市。There is(There's) some water in the glass.(不可数名词)在玻璃杯里有一些水。③There are 30 students in the classroom.(可数名词复数)在教室里有30个学生。
否定句There be结构的否定句只需在肯定句中be的后面加not即可。(is not =isn't,are not=aren't)。因此以上三句的否定句依次为:①There isn't a big supermarket near my home.在我家附近没有大超市。  There isn't any water in the glass.在玻璃杯里没有水。
(肯定句中的隐的词语some,在疑问句和否定句中需要变成any  There aren't 30 students in the classroom.在教室里没有30个学生。
疑问式和简略答语
一般疑问句:只需把肯定句中的be提到句首即可。因此以上三句的一般疑问句依次为:
Is there a big supermarket near your homeYes,there is. No,there isn't.在我家附近有一个大超市吗? Is there any water in the glassYes,there is. No,there isn't.在玻璃杯里有一些水吗?③Are there 30 students in the classroom?在教室里有30名学生吗?Yes, there are.  No, there aren't.
特殊疑问句:How many days are there in a week?一个星期有多少天?
There are seven.有七天。
注:在There be结构的一般现在时基本句型中,若某物/某人为好几个并列,往往根据第一个人/物的单复数来确定be 的形式。比较以下两句的差异:
There is a pen and two books on the desk.
There are two books and a pen on the desk.
p8方位词的用法:next to在…旁边,between…and…在…和…之间across from在…对面,④behind的后面,in the neighborhood在附近,in the front of在(物体里面的)前面,in front of在(物体外面的)前面,on在…街上
The library is next to the bank.       
The library is between the restaurant and the bank.
The bank is across from the restaurant.                         
The park is behind the bank.
There is a payphone in the neighborhood. 
There is a blackboard in the front of classroom.在教室的前面有一块黑板。(黑板在教
室的里面)There is a big tree in front of classroom. 在教室的前面有一棵大树。(大树在教室的外面)    The library is on YiMeng Street.
(p9)go straight一着往前走,turn left/right向左/右拐,on the left/right左边/右边
(p10,1a)形容词反意词:clean—dirtynew—oldbig—small
p11光说不做3athe garden district 个性传奇名字花园小区;take a walk 散步;
the beginning of 的开始Do you like the beginning of the movie?你喜欢这步电影的开头吗?
p113aenjoy喜欢,过得快乐(后面跟的动词必须加ingI enjoy the movie我喜欢这步电影。She enjoys watching TV.她喜欢看电视。
p113bhave fun玩得快乐;play the guitar弹吉他(play后跟乐器时必须加the,但后跟球类时不加the,例如:play basketball
课文解释:p113I know you are arriving next Sunday. 解释:“be+动词ing”为现在
进行时,在这句中next Sunday“下个星期天”为将来时间。You are arriving next Sunday.是现在进行时表示将来动作的用法,这种情况多用于gocomeleave白杨树的精神,arrive等表示动作来去的动词,例如:He is leaving tomorrow.明天他将离开。
let sb do sth让某人做某事(let us=let's    let's play basketball.
the way to+地点:去某地的路 the way to school去上学的路上;the way home回家的路上(在这里home之前无修饰成分,为副词,去掉to
take a taxi 乘出租车;have a good trip旅途愉快
第三单元Unit 3 Why do you like koalas?
p13掌握各种动物的名称和描述动物的形容词。
p13Let's后跟动词原形“咱们做某事吧”。肯定回答一般用“OK/All right”,否定回答一般用“SorryI…”等。    —Let's play tennis.                                    —Let's dance. —OK.                                              —Sorry,I can't dance.