1. 时态
- 一般现在时:表示习惯或客观事实(e.g. I play football every Sunday.)
- 一般过去时:动词过去式(规则+不规则,如 go→went, do→did)
- 现在进行时:am/is/are + doing(e.g. She is reading a book now.)
- 现在完成时:have/has + 过去分词(e.g. I have finished my homework.)
- 一般将来时:will + 动词原形,或 be going to(e.g. It will rain tomorrow.)
2. 被动语态
- 结构:be动词 + 过去分词(e.g. The book was written by him.)
- 注意时态变化(如一般现在时:is/are done;一般过去时:was/were done)。
3. 从句
- 宾语从句:注意语序和连接词(that/if/whether/疑问词)(e.g. He said that he was tired.)
- 定语从句:关系代词 who/which/that 的用法(e.g. The girl who is singing is my sister.)
4. 比较级与最高级
- 规则变化(-er/-est)与不规则变化(good→better→best)
- 比较级前加修饰词:much, a little, even(e.g. This box is much heavier.)
5. 情态动词
- can/could(能力/请求)、must(必须)、should(应该)、may/might(可能)的用法区别。