时态一致的七年级英语语法简析

线话英语|2015-05-11 16:32:28

　　1) 如果从句所叙述的为真理或不变的事实，则永远用当初时的七年级英语语法。

　　At that time, people did not know that the earth moves.

　　He told me last week that he is eighteen.

　　2) 宾语从句中的助动词ought, need, must, dare 时态是不变的。

　　七年级英语语法例句：He thought that I need not tell you the truth.

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