七年级英语下册知识点整理人教版

③Ｉｈａｖｅａｂｒｏｔｈｅｒ．我有一个弟弟。

肯定句变成否定句需要用助动词don't/doesn't，即由“主语＋don't/doesn't+have＋其他”构成。

(do not=don't,does not=doesn't)以上三句的否定句依次为：①Ｓｈｅdoesn't have ａｎｅｗｐｅｎ．她没有一枝新钢笔。

②Tｈｅｙ don't have ｌｕｎｃｈａｔｈｏｍｅ．他们不在家吃午饭。

③Ｉ don't have ａｂｒｏｔｈｅｒ．我没有一个弟弟。

肯定句变成一般疑问句需要用助动词do/does，即一般疑问句为“Do/Does+主语＋have＋其他”。

所以以上三句的一般疑问句形式依次为:① Does sｈｅhave ａｎｅｗｐｅｎ她有一枝新钢笔吗? Yes，she does./Ｎｏ,she doesn't．②Do they have lun at home？他们在家吃午饭吗？Yes，ｔｈｅｙｄｏ．/Ｎｏ，ｔｈｅｙｄｏｎ'ｔ．③Do you ｈａｖｅａｂｒｏｔｈｅr？你有一个弟弟吗？Yes，Ｉｄｏ．/Ｎｏ，Ｉｄｏｎ'ｔ．（．3．）实义动词．．．．）的一般现在时．．．．．（表示人或动物动作的动词即行为动词肯定句由“主语＋动词原形（ｓ／ｅｓ）”构成。

（注意：只有在主语为第三人称单数的情况下，动词原形后面才加ｓ／ｅｓ）。

例如：①I do homework every day.我每天都做作业。

②He watches．． TV every evening.他每晚都看电视。

肯定句变成否定句需要用助动词don't/doesn't，即由“主语＋don't/doesn't+动词原形”构成。

以上三句的否定句依次为：①I don't do homework every day.我每天不做作业。

②He doesn't watch TV every evening.他每晚不看电视。

肯定句变成一般疑问句需要用助动词do/does，即一般疑问句为“Do/Does +主语＋动词原形”。

所以以上三句的一般疑问句形式依次为：①Do you do homework every day？你每天都做作业吗？Yes，Ｉｄｏ．/Ｎｏ，Ｉｄｏｎ'ｔ．②Does he watch TV every evening？他每晚都看电视吗？Yes，ｓｈｅｄｏｅｓ．Ｎｏ，ｓｈｅｄｏｅｓn't．七年级英语下册第一单元Unit 1 Where is your 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） 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）（p1）be from =come from 来自Linda is from Japan.= Linda comes．from Japan.那么Where'syour pen pal from?= ?(p2)live住,居住(后跟地点是常用live in) 。

例如：I live in China. Do you live in China? Yes，Ｉｄｏ．Ｎｏ，Ｉｄｏｎ'ｔ．I ｄｏｎ'ｔlive in China.Where do you live? (where 是副词,和动词live搭配时,动词后不能加介词in)His aunt lives in Sydney.Does his aunt live in Sydney?Yes，ｓｈｅｄｏｅｓ．Ｎｏ，ｓｈｅｄｏｅｓn't .His aunt ｄｏｅｓn't live in Sydney. 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.（p5,3a）14 years old 14岁解释：数字+ year（s） old …岁当数字大于1时，year用复数years。

I 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.（p5,3a）“Like+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。

ＯｕｒＰＥｔｅａｃｈｅｒｌｉｋｅｓswimming.( 表示爱好) 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）。

（p5,3a）Write 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。

Ｈａｍｍｂｕｇｅｒｓａｒｅｍｙfavorite．是我最喜爱的食物。

(p5,3b)ｔｅｌｌｓｂ．ａｂｏｕｔｓｔｈ告诉某人某事Ｍｙｍｏｔｈｅｒｏｆｔｅｎｔｅｌｌｓｍｅａｂｏｕｔｍｙｇｒａｎｄｆａｔｈｅｒ．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?（p7-8）“There be结构的一般现在时基本句型如下：肯定句:①There 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。

②There 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.名词单在我家附近没有大超市。

②There isn't any water in the glass.在玻璃杯里没有水。

（肯定句中的some，在疑问句和否定句中需要变成any）③There 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：①Is there a big supermarket near your home？Yes,there is. No,there isn't.在我家附近有一个大超市吗？②Is there any water in the glass？Yes,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：①next to在…旁边，②between…and…在…和…之间③across from在…对面，④behind 在…的后面，⑤in the neighborhood在附近，⑥in the front of在（物体里面的）前面，in front of在（物体外面的）前面，⑦on在…街上①The library is next to the bank. ②The library is between the restaurant and the bank.③The bank is across from the restaurant. ④The park is behind the bank.⑤There is a payphone in the neighborhood. ⑥There 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）⑦The library is on YiMeng Street.(p9)go straight一着往前走,turn left/right向左/右拐,on the left/right在左边/右边(p10,1a)形容词反意词：clean—dirty；new—old；big—small（p11，3a）the garden district 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？（p11，3a）enjoy喜欢，过得快乐（后面跟的动词必须加ing）I enjoy the movie我喜欢这步电影。