知识，只有当它靠积极的思维得来，而不是凭记忆得来的时候，才是真正的知识;下面小编给大家分享一些七年级下册英语第二单元知识，希望能够帮助大家，欢迎阅读!
七年级下册英语第二单元知识1
重点词组
Section A
get up 起床
go to school 去上学
get dressed 穿上衣服
brush teeth 刷牙
have breakfast/ lunch /supper吃早/午/晚饭
take a shower 洗淋浴
radio station 广播电台
from…to 从…到…
at night 在晚上
be late for 迟到
on weekends 在周末
Section B
go to bed 去睡觉
go home 回家
clean my room 打扫房间
take/have a walk 散步;走一走
like to do想要做…
half an hour 半个小时
either…or… 要么…要么…
be good for 对…有好
七年级下册英语第二单元知识2
重点句型
Section A
1. ---What time do you usually go to school?
---I usually go to school at ……
What time 什么时间，对具体时间点进行提问，回答时用at+具体时刻回答。
2. ---When does Scott go to work?
---He always goes to work at11:00.
When 所表示的时间范围广，有时也可指“几点钟”，“几点几分”，用来代替whattime。
When will he comeback? He'll come back tomorrow.
3. I don’t have muchtime for breakfast.
for breakfast/lunch/dinner固定搭配
4. I always do my homework first.
我总是先做我的家庭作业。
5. In the evening, I either watch TV orplay computer games.
(1)in the evening,泛指一天的早中晚用介词in。in themorning/afternoon/evening.
(2)但如果具体某一天早中晚，则要用介词on。On a coldmorning/on the afternoon of March 12th, 2014.
(3)固定搭配：at night/at noon; either…or…
Either myteacher or my parents often help me.
6. She knows it’s not good for her.
对…有好处：be good for
对…有坏处：be bad for
It’s bad for us to watch TV too much.
7. I have a very healthy life.
healthy adj. 健康的 we should eat more vegetables tokeep healthy.
health n. 健康 Vegetables are good for yourhealth.
七年级下册英语第二单元知识3
重点语法
1. time n. 时间
It’s time for sth. 做某事的时间到了。
It’s time for lunch.
It’s time (for sb.) to do sth. 某人做某事的时间到了。
It’s time for me to get up.
It’s time for us to go on having classes.
【拓展】time作为“时间”用时，为不可数名词;
作为“次数”或“倍数”用时，为可数名词。
例： I have been to Americanthree times.
My books are twice as many as yours.
【与time相关的易混词辨析】
some time Itreally takes me some time to do my English homework every day.
sometimes Our school is some timeslarger than theirs.
sometime Let’s have a talk sometime tomorrow.
sometimes I always get up at 8:00 in the morning, but sometimes at 6:00.
2.work
(1)v. 工作
Scott works very long hours.
He works very hard.
(2)n. 工作，是不可数名词
a piece of work
It’s hard to find a good work now.(×)
I want to have new work.
go to work/at work/after work
【拓展】job 工作(职业)，可数名词
a part-time job
a full-time job
I want to have a new job.
3. hour n. 小时
半小时：an hour / half an hour
How many hours are there in a day?
一个半小时：an hourand a half = one and a half hours
4. home n. 家，家庭
There is no place like home.
adv. 在家，回家，到家
at home
go home
get home
on one’s way home
arrive home
He usually gets home at six in the afternoon.
5. either…or…或者…或者…
就近原则：谓语动词与靠近它的名词、代词在“人称、数”上保持一致。
Either you or I am the winner.
Either I or you are the winner.
6. 频率副词的使用
often, usually, sometimes,always, never等频率副词的位置是系动词、助动词、情态动词之后，实义动词之前。例：
I often go to have training classesat weekends.
My mother usually makes a big dinnerfor me when I get the first place in the examination.
7. 一般现在时 ---- 实义动词部分
一般现在时表示经常发生或习惯性的动作，常和always, usually,often, sometimes, every day, in the morning, on Sundays等时间状语连用。例如：
Theygo to school every day.
He smokesa lot every day.
Doyou know his name?
If itdoesn’t rain, we’ll go to the zoo.
8. 时间的表达法
时间可用顺读法或倒读法两种方式表达。例如：
5:00 five (o’clock)
6:18 six eighteen 或 eighteen past six
12:15 twelve fifteen 或 fifteen (aquarter) past twelve
4:30 four thirty 或 half past four
6:45 six forty-five a quarter to seven
(1)直接表达法：钟点+分钟
It’s eleven o’clock.
It’s seven fifteen.
(2)间接表达法
●当分钟不超过30分钟，用介词past表示，结构：分钟+past +钟点
five past nine = nine five (9:05)
fifteen past ten = ten fifteen = aquarter past ten (10:15)
thirty past two = two thirty =half past two (2:30)
●若分钟超过30分钟，用to来表示。差几分到几点，结构：分钟(60-分钟)+ to + 钟点(钟点+1)
ten to ten = nine fifty (9:50)
fifteen to five = four forty-five= a quarter to five (4:45)
【注】① 表示整点时间，直接用基数词表达，后边可接o’clock (也可不加)。表达“几点几分”时，绝不能用o’clock。
② 表达“15分”或“45分”时，常用quarter(刻)。
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