初中英语语法补习：非真实条件句

  非真实条件句：
1）时态：可能表现过去，当初跟将来的情况。它的基本特点是时态退后。初中英语语法补习知识点细节如下：
a.　 同当初事实相反的假设。
句型 ： 前提从句　　　　　主句
一般过去时　　　should( would) +动词原形
If they were here, they would help you. CopyRight .com

b.　 表示于从前事实相反的假设。
初中英语语法补习句型： 条件从句　　　　　 主句　　　　　
过去实现时　　　 should(would) have+ 过去分词
If she had worked harder, she would have succeeded.　　
The rice would not have been burnt if you had been more careful.　
含意：He did not come yesterday, so I did not tell him about it.
If he had not been ill and missed many classes, he would have made greater progress.
含意： He was ill and missed many lessons, so he did not make greater progress.　 内容来自

c.　 表示对未来的假想
句型：　 条件从句　　　　　　 主句
个别从前时　　　　　 should+ 动词原形
were+ 不定式　　　　 would + 动词原形
should+ 动词本相
初中英语语法补习例句参考： If you succeeded, everything would be all right.
If you should succeed, everything would be all right.
If you were to succeed, everything would be all right. 

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