1) 事实状态的动词have, belong, possess, cost, owe, exist, include, contain, matter, weigh, measure, continueI have two brothers.This house belongs to my sister. 2) 心理状态的动词Kno
现在进行时的基本用法： a. 表示现在( 指说话人说话时) 正在发生的事情。 We are waiting for you. b. 习惯进行：表示长期的或重复性的动作，说话时动
当主语后面跟有with, together with, like, except, but, no less than, as well as 等词引起的短语时，谓语动词与前面的主语一致。 The teacher together with some students
1）当there be 句型的主语是一系列事物时，谓语应与最邻近的主语保持一致。 There is a pen, a knife and several books on the desk.. There are twenty boy-students and twent
Reading and writing are very important. 注意： 当主语由and连结时，如果它表示一个单一的概念，即指同一人或同一物时，谓语动词用单数，and 此时连接的
主谓一致是指：1） 语法形式上要一致，即单复数形式与谓语要一致。2） 意义上要一致，即主语意义上的单复数要与谓语的单复数形式一致。3） 就
1) so… that 句型中的so 位于句首时，需倒装。 So frightened was he that he did not dare to move an inch.2) 在某些表示祝愿的句型中：May you all be happy.3) 在虚拟语
as / though引导的让步从句必须将表语或状语提前 （形容词, 副词, 分词, 实义动词提前）。注意： 1) 句首名词不能带任何冠词。 2) 句首是实义动
Only in this way, can you learn English well. Only after being asked three times did he come to the meeting. 如果句子为主从复合句，则主句倒装，从句不倒装 Only when h
表示“也“、“也不“ 的句子要部分倒装。Tom can speak French. So can Jack.If you won't go, neither will I.典型例题 ---Do you know Jim quarrelled with his brother? ---I do