语法 > 中阶1
- for,since,from的区别 for, since, from – what’s the difference?
- 最好... 是时候.... had better … it’s time
- 形容词+介词——依赖性介词 Adjective + preposition – dependent prepositions
- 动词+介词-依赖性介词 Verb + preposition – dependent prepositions
- 对比、目的和原因从句 Clauses of contrast, purpose and reason
- 反意疑问成分 Question tags – aren’t you? don’t you?
- 限定性和非限定性定语从句 Defining and non-defining relative clauses
- 这么,这么多 so, such, such a, so much, so many
- 一些,没有——量词 any, no, none – quantifiers