九年级英语第二单元知识点总结
1.mix sth together 或者 mix sth and sth together 把。。。混合在一起，有时可省略together. Mixed 做adj 意为混合的，混杂的。名词为mixture ,意为，混合体，混合物。
2.情态动词的推测。A,can 用来推测时，只用于疑问句或者否定句
正时链条
谷歌翻译在线翻译That man can't be Mr Li.He has gone to Beijing with his wife.
Would 表推测时，只用于肯定句。指主观上认为不是很正确的可能性。
qwe汉翻译英I think that it would take you much time.
Must 表推测时用于肯定句，意为一定，肯定。Must be 表示对现在情况的推测。Must have done 表示对过去情况的推测。莲雾 英文
3.at the same time 意为同时。还可表示但，然而。
That is a difficult problem ,at the same time ,it very interesting.
4.living 的用法。Living做形容词，意思是活着的，有生命的，可以指人，也可指物。强调说明尚在人间。建在。另外，living还有充满生气的，活生生的在句中作表语或定语作表语与alive的意思相同。
I think the old man is still living.(作表语)
This is a living tiger. (指物，作定语)
Alive 与live 的区别
Alive 做形容词，意为活着的。常用作表语形容词，或作后置定语。或宾语补足语。一般用来指人，也可指物。
Who is the greatest man alive (=living man) 后置定语。
We found the patient alive.(宾补)
Live 意思是与生命的，活着的，一般用于修饰动物，在句中一般用作定语。
The cat was playing with a live mou.
Jin yong is one of the greatest and oldest living writer .he is still living .
5.what if 的用法。
?意思是 如果....将会怎样？
What if it rains tomorrow?>
6.do with 意为“采取...措施，处理。” what ...“如何（怎样）处理...”what did you do with the library book?
Deal with 也表示处理，应付，但所搭配的疑问词不同，deal with 在疑问句中与how 搭配，而do with 与what搭配。
What will you do with the letters?=how will you deal with the letters?
7.u sth to do sth 意为“用......来做.......”,相当于u sth for doing sth.被动语态中be ud to do sth,be ud for doing sth.
We u pens to write.
We u clothes to keep /for keeping warm.=clothes are ud to keep /for keeping warm.
We u pens to write.
We u clothes to keep/for keeping warm.=clothes are ud to keep/for keeping warm.
Be ud as 表示....把......用作....as是介词，意为作为。
The stick is ud as a ruler.掘井及泉
Be ud by 被.....使用，介词by 后接动作的执行者.
English is ud by travelers and business people .
Ud to do sth 过去经常干某事。
Be ud to doing sth 习惯于干某事
8.either also too 的区别
Either 一般用在否定句中。，而且放在句尾。
Also用在肯定句，位于be 动词，助动词或情态动词后实一动词前，too用于肯定句。
9.identical 的用法
它的反义词为different .他经常用在下列结构中。
Be identical to/with ...和......完全一样
Be identical in ......在某方面相同。
Her hat is almost identical to/with mine.
My opinion is identical with his
The two shirts are identical in size and colour.
考例：1.the sister were identical ____appearance and character.
2.my advice is identical ___yours.
3.Her pen is almost identical ______kate's
10.expect for 的用法。
(1)Except for 意为除.....之外,用于表示对主要部分的肯定和对局部的否定，不表示同类事物之间的关系。用于叙述整个情况之后，在细节上加以修正，补充，有惋惜美中不足之意。
男服装搭配的技巧Mr smith is a good， man,expect for his bad temper.
The movie was good expect for the ending.
(2).expect for +n=expect +that
All are here expect for the abnce of Tina.
=all are here expect that tina is abnt.
Besides 除...之外还有...指包含本身在内，有肯定和附加的意思。besides 作介词后接名词，代词，动名词 但不接从句。
北大青鸟培训We all went besides him.
（3）break awayexpect 和expect的用法区别。
Expect 的前后 必须要有一对相对称的同类词语。Expect for 一般用于前后没有对称词语的场合。
He had considered everything expect the .(everything 与weather是一组对称词语)
The retired worker waters his garden every day on rain days.
(4).but 和 expect可换用但but 多余no one ,nobody nothing all everyone everything 等词连用。
They are all wrong but me.
There is nothing but a card in the box.
11.the same +n+as 与...相同后接名词代词，或从句，如主句为一般将来时，从句用一般现在是。He has the same fruit as you.
The same +n+as 表示与...一样，有时可与as+adj+as互换。
His coat is the same size as mine.
His coat is as big as mine.
12.but also 的用法。
计算机语言翻译它的意思为不但，而且主要用于连接两个并列成分（主语，谓语，宾语，表语或状语）但连接主语时，句中的谓语必须和靠近的那个主语在人称和数上保持一致。
Not only you but also jack has been to hangzhou .
