仁爱版丨七年级下册英语Unit7知识精讲！

Unit7 Topic1

重点语法掌握be动词的一般过去式。

重点句型 —Were you born in Hebei? Yes, I was./ No, I wasn’t.

—When was your daughter born? —She was born on October 22nd, 1996.

What's the shape of your present? What does it look like?

How long/wide is it? What do we use it for? We use it to study English.

重点讲解

1 英语中日期可以有两种表达法：

(1)月日，年。May 1st,2008 (2)日月，年。1st May,2008

2 plan to do sth.计划做某事 plan for sth.某事订计划

3 基数词变序数词的规律：

基变序，有规律，五、十二ve用f替再加th

一二三，特殊记，整几十改y为ie再加th

八去t九去e再加th，几十几只改个位就可以。

4 表示确切“几百”时，hundred后面不加“s”，但表示不确定数目的“数以百计”时，hundred后面应加“s”，用“hundreds of”表示。

three hundred students三百名学生 hundreds of students几百名学生

5 英语中表达物体的长、宽、高，先说数字，再说单位，最后加上一个表示长、宽、高的形容词。“．”读做“point”。6.4米长 six point four meters long

6 What do we use it for?我们用它来做什么?

use sth. to do sth.用某物做某事. = use sth. for doing sth.

语法讲解 be动词的一般过去时

1. be动词的一般过去时，表示过去存在的状态。 My brother was at school yesterday.

2. be动词的过去式为was/were,其否定式为was not/wasn’t和were not/weren’t.

3. 一般疑问句以及简略回答：—Were you born in July,1999? —Yes, I was./No,I wasn’t.

Topic2

重点语法掌握情态动词can/can’t,could/couldn’t的用法。

重点句型 —Can/Could you dance? —Yes, I can/could. No, I can’t/couldn’t.

—What can you do? —I can speak English. He can’t sing English songs.

重点讲解

1 —Do you want to sing Chinese songs or English songs? —Chinese songs.

选择疑问句中，回答时只能选择一者作答，不能用“Yes”或“No”回答。

2 I’d like to take these flowers to the party. take sb./sth. to sw.带某人/某物去某地

巧辩异同 take与bring take （从说话人处带到别处）带去，带走

bring （由别处带到说话人处）带来

3 一段时间+ago是表示过去的时间状语。 two years ago

at the age of 在……岁的时候

4 be good at doing sth. = do well in doing sth.擅长做某事，在……方面做得好。

5 with one’s help = with the help of… 在……的帮助下

6 can和could的使用

(1) can(could)“可以，同意，准许”表示请求，允许。could语气较can委婉。

(2) can“会，能”，表示能力，could表示过去的能力。

Topic3

重点语法行为动词的一般过去时及其回答。

重点句型 —Did you sing a song at the party? —Yes, I did/No, I didn’t.

I missed the chair and fell down. How could you lie to me?

Kangkang made a silent wish and them he blew the candles out in one breath.

重点讲解

1 Did Kangkang enjoy himself?康康玩得开心吗？

Enjoy是及物动词，后接名词，代词或是动名词，意为“喜爱，欣赏，享受……的乐趣。”

enjoy oneself = have a good/great time玩得愉快 enjoy doning sth. 喜欢做某事

巧辩异同 like, love与enjoy

(1)like喜欢（程度较弱）like doing/to do

(2) love热爱（程度较强）love doing/to do

(3)enjoy喜爱，欣赏，享受……的乐趣enjoy doing

2 It’s your turn.该你了。

turn 是名词，意思是“轮流”，It’s one’s turn to do sth.轮到某人做某事。还可以做连系动词，意为“变成……”，后接形容词做表语。

3 反身代词oneself变化如下：①第一二人称用形容词性物主代词+self(selves)

I→myself you→yourself(yourselves) ②第三人称用人称代词宾格+self(selves)

he→himself they→themselves

4 What happened to Michael at the party?聚会上迈克发生什么事情了？

happen to sb. 某人发生某事，to是介词 happen to do…碰巧干某事，to是不定式符号

语法讲解 一般过去式

一、一般过去式表示：（1）过去存在的状态。My father wat at work yesterday afternoon. (2)过去某个时间发生的动作。 I got up at 6:30 yesterday. (3)过去经常或反复发生的动作。He always went to work by bus last year. 常用的时间状语：two days/months/years ago, last year, in those days, just now, in 2002等。

二、动词过去式的构成：

1. 规则动词①在动词后面直接加“ed”。play-played ②动词以“e”结尾加“d”。move-moved ③动词以辅音字母加y结尾改y为i加ed. study-studied ④动词为重读闭音节，双写词尾的辅音字母加ed. plan-planned stop-stopped

2. 不规则动词 am/is-was are-were do-did (详情见书后不规则动词表)

三、行为动词一般过去时态陈述句变否定句和一般疑问句：

肯定句：I bought some books yesterday. 否定句： I didn’t buy any books yesterday.

一般疑问句：Did you buy any books yesterday?

Unit5—Unit7中出现的冠词用法

1.弹乐器前要带定冠词the,而进行球类运动，刚不带the。play the guitar/piano play soccer/basketball

2.序数词，前面要用定冠词the。on the second floor3.三餐前面不用冠词。have breakfast/lunch/supper

介词的用法1. 在几点常用介词at, 在星期几常用on。在早上、下午、晚上常用in. 在具体某是前，用介词on；在月份或年份前用介词in，在具体到某一天的早上/下午/晚上，也用onat seven o’clock; on Sunday; in the morning.

2.在哪一层楼用介词on.