初二上册的英语知识量比较多，想学好的学生要积极做好知识点的总结，课后要加强知识的复习。下面是本站小编为大家整理的初二英语上册常考知识点，希望对大家有用!
情态动词的定义与基本用法：
(一)情态动词的定义 情态动词表示说话人对某一动作或状态的态度。
(二)情态动词的特点 1)有一定词义; 2)不受主语人称和数的变化影响;
3)与主要动词的原形(或称不带to的.不定式)一起构成谓语(除ought to作固定词组看待)。
(三)情态动词的分类和意义意义情态动词
(四)情态动词的基本用法
1. can (could)1)表示能力，could主要指过去时间。Two eyes can see more than one. 两只眼比一只眼看得清。Could the girl read she went to school? 这女孩上学前能识字吗?
2)表示可能(理论上或是逻辑判断上)。
The temperature can fall to -60℃, that is 60℃ below freezing. 气温可降至-60℃，也就是零下60℃。
He can't (couldn't) have enough money for a new car. 他不可能有足够的钱买新车。
You mustn't smoke while you're walking around in the wood. You could start a fire. 在林子里走时勿吸烟，那样可能会引起火灾。
3)表示允许。Can I have a look at your new pen? 我可以看一看你的新钢笔吗?He asked whether he could take the book out of the reading-room.他问他可不可以把书带出阅览室。
4)表惊异、怀疑、不相信等态度。主要用于否定句、疑问句或感叹句中。
Where can (could) they have gone to? 他们会去哪儿了呢?
He can't (couldn't) be over sixty. 他不可能超过六十岁。
How can you be so careless? 你怎么这么粗心?
5)比较委婉客气地提出问题或陈述看法。
Can (Could) you lend me a hand? 帮我一把好吗?
I'm afraid we couldn't give you an answer today. 恐怕我们今天不能给你答复。
初二英语必背知识点d like =want , would like to do sth=want to do sth . 想要做某事
would like sb. to do sth .=want sb. to do sth 想要某人做某事
would you like ...? 其后用some 不用any . 句子:Would you like to do sth .
肯定回答:Yes ,please ./sure ,thanks ./Yes ,I’d like to./Yes ,I’d love to 否定回答:No, thanks …/Sorry ,I’m afraid I can’t .
to do sth .尽力做某事;试图做某事;设法做某事,但不一定成功.否定式:try not to do sth.
try doing sth .试着做某事,看看会发生什么情况. have a try 试一试
3.a bit 与a little
1)两者修饰动词,形容词,副词或比较级,
2)a little 可以直接修饰不可数名词,相当于a bit of
a try 试试看, have a look 看一看 have a headache头疼 have a rest 休息
have a meeting 开会 have a good time 玩得愉快 have a fever发烧
of =a lot of 很多,大量 ,常用于肯定句中.既可修饰可数相当于many , 又可修饰不可数,相当于much . a lot 相当于very much ,多与动词连用,修饰形容词,副词的比较级.
6.提出建议:
1)Let’s do sth.让我们做…吧.
2)How about /what about doing sth ?做..怎么样
3)Why not do sth ?为什么不…?
4)Would you like to do …?你愿意做….吗?
5)Shall we do …?我们做…好吗?
6)You’d better(not) do ..你最好(不)做某事.
ks for sth. =Thank you for sth. 因…而感谢.后V+ing . Thanks to 幸亏,由于,归功于.
e a message留个口信, take/have a message for sb.给某人带个口信.
from sb.=get /receive a letter from sb . 收到…的来信 hear about /of 得悉,听说
Hear out 听完 hear to 同意
’t wait to do sth .迫不及待做某事 wait for 等候…,后接等待的对象,名词或代词
wait to do sth .等着做某事
11.三到达 :arrive at (小地方),arrive in (大地方),get to =reach 注意:跟
home ,here ,there 等副词时,不加介词.
e相当,很,相当于very,区别, quite a ../ quite an ..而very 只能放在a /an 后
初二英语知识归纳重点短语
1. foot---feet 脚 <复> tooth---teeth 牙齿 <复>
2. have a cold 感冒
3. have a stomachache 胃疼
4. have a sore back背疼
5. have a sore throat喉咙疼
6. have a fever发烧
7. lie down and (have a)rest 躺下休息 have a rest 休息
8. hot tea with honey 加蜜的热茶
9. see a dentist 看牙医 see a doctor 看医生
k lots of water多喝水
of ,a lot of, a lot
a lot of=lots of，可以修饰可数名词复数和不可数名词，一般用在肯定句中。：There are lots of ( a lot of) books in our library.
There is a lot of water on the ground
a lot,是一个副词词组，跟动词连用;表示十分，很等意思; Thanks a lot.
12. have a toothache牙疼
13. That’s a good idea好主意
14. go to bed 去睡觉 go to bed early 早上床睡觉
15. feel well感到好 feel ill 感到不舒服
I don’t feel well= I’m not feeling well
我感觉不舒服.
16. start doing/ to do sth开始做某事
TO DO 是一件事情完成了，开始做另外一件事情
DOING是原来的那件事情做到一半，现在又开始做了，是同一件事情。
17. two days ago两天前
18. get some rest 多休息, 休息一会儿
19. I think so我认为是这样
