高一英語語法大全

1、高一英語語法大全高一英語語法大全虛擬語氣在各種從句的應用主語從句的虛擬1. it is + adj. + that sb. (should) do常見的形容詞有：necessary, important, strange, naturalits important that he take my advice.2. it is + n. + that sb. (should) do常見的名詞有：a pity, a shame, no wonder, ones wishits a pity that he be so silly.3. it is + done + that sb. (shoul

2、d) do常見的過去分詞有：suggested, advised, demanded, requested, required, asked, ordered,proposed, decided, desired, insisted等。its requested that she go home as soon as possible.賓語從句的虛擬1. 表命令，表建議，表要求的動詞，后接賓語從句虛擬。虛擬的構成為(should) do。i advise that he stay at home.2. wish后接從句，虛擬的構成是往過去推一個時態(tài)。i wish i had watched t

3、he football match last night.注意以下幾組詞或短語用于虛擬語氣中。1. as if, as thoughhe speaks english as if he were a native speaker.2. otherwise, but, even thoughhe was ill. otherwise he would have been there.3. with, without, but forwithout your help, i would have died two years ago.but for your help, i would have

4、died two years ago.4. would rather id rather you told me yourself.5. its time thatits time that you went to bed.its time that you should go to bed.表語從句中的虛擬在表語從句中，表示間接的命令，要求、請求、建議、決定等，主句中的主語通常是suggestion, proposal, request, orders, idea等。從句謂語形式是(should)+動詞原形。如：his suggestion is that we (should) leave

5、 at once.名詞從句部分1. that不可省略的情況2. that引導同位語從句和that引導定語從句的區(qū)別：同位語從句中的that是連詞，不做成分，只連接主從句，不能省略;定語從句中的that要代替先行詞在從句中做主語、賓語或者表語，并且做賓語時可以省略。從語義上看，同位語從句是對前面名詞的解釋、說明或內(nèi)容;而定語從句時對前面名詞的限定。we should consider the studentsrequest that the school library provide more books onpopular science. (that引導同位語從句)the only hop

6、e that he expressed was that they would do what they could to help the peoplein disaster areas. (that引導定語從句)3. 要根據(jù)句子結構尤其是謂語動詞判斷從句的類型：what is known to us all is that the 2008 olympic games took place in beijing.本句含有一個主語從句和一個表語從句，主句的動詞為is。it is known to us all that the 2008 olympic games took place in beijing.本句含有一個主語從句，主句的動詞為is known to。as is known to us all, the 2008 olympic games took place in beijing.本句含有一個定語從句，主句的動詞為took place，as引導非限制性定語從句。4. 名詞性從句的語序和語態(tài)。名詞性從句均應用陳述語序，不能用疑問語序，其時態(tài)應該和主句時態(tài)保持一致。5.