2020年上半年大学英语六级语法：非真实条件句思维导图

句型 ： 条件从句主句

一般过去时should( would) +动词原形

If they were here, they would help you.

句型： 条件从句 主句

过去完成时 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.

If my lawyer had been here last Saturday, he would have prevented me from going.

If he had come yesterday, I should / would have told him about it.

含义：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.

含义： He was ill and missed many lessons, so he did not make greater progress.

句型： 条件从句 主句

一般过去时 should+ 动词原形

were+ 不定式 would + 动词原形

should+ 动词原形

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.

语法的学习过程会觉得条目繁多，很难记，而且枯燥无味，这种情况下，学习应该寻找的是语法的学习方法。掌握方法，在学习过程中才能克服困难。更多四级语法、六级语法请及时关注树图网站。