not…until三种句型用法英语知识点大全
1、not…but… 不是……而是……
Shakespeare was not a musician but a writer. 莎士比亚不是音乐家而是作家。
They neet not money but time. 他们所需要的不是钱，而是时间。
Not the students but the teacher is hoping to visit the Great Wall.
不是学生而是老师希望去参观长城。
He can’t read or write in English,but can speak English fluently.
他不能读英语和写英语，但能流利地说英语。
2、not just…but… not only…but(also)…（also可省略）不仅/不但……而……
该句型可连接两个并列的主语、谓语、宾语、表语和状语，说话的侧重点在后一部分。当连接两个并列主语时，谓语应同靠近的主语在人称和数上取得一致。
①Not just you but he likes the country music very much. 不但你，而且他也很喜欢乡村音乐。
②He can not just drive but repair a car. 他不仅会开而且会修车。
③I like not just pop music but country music. 我不仅喜欢流行音乐，而且喜欢乡村音乐。
④This book is not just interesting but also useful. 这本书不但有趣而且有用。⑤Lu Xun is famous not just in China but in the whole world. 鲁迅不只在中国有名，而且在全世界都很著名。
3、not…until 三种句型
not…until有三种句型，即：正常语序、倒装语序和强调句型。
（1）正常语序
The mother didn’t leave the room until the child fell asleep.
I didn’t know the truth of it until the next day.
（2）倒装语序
Not until the child fell asleep did the mother leave the room.
Not until the next day did I know the truth of it.
（3）强调句型
It was not until the child fell asleep the mother left the room.
It was not until the next day that I knew the truth of it.
（4）注意事项
①在not…until句型中，主句中的动词均为短暂性动词，如leave,start等。而在until的肯定句型中，主句的谓语动词一定要用延续性动词，因为until作为连词和介词意为up to the time when; up to“直到……时”。如：
②until只连接表示时间的短语和从句，不能用于地点和数量。如：
We walked until the edge of the forest.(误)
Our classroom can hold until fifty students.（误）
表示比较的从属连词what/as
例1. Engines are to machines ______ hearts are to animals.
A. as
B. that
C. what
D. which
例2._____ I explained on the phone, your request will be considered at the next meeting.
A. WhenB. After
C. As
D. Since
例3.What a table! I’ve never seen such a thing before. It is ________ it is long.
A. half not as wide as
B. wide not as half as
C. not half as wide as
D. as wide as not half
[解析]C?C?C?what用作从属连词,表比较,用于A is to B what C is to D结构中;而as表示原级比较,常用于as...as结构中,程度修饰语应置于第一个as之前,嵌入的形容词或副词使用原级?另外as还表“正如?按照”,引导方式连词.
