1. 名词性从句（Noun Clause）
– 关系代词（Relational Pronouns）：如who, whom, whose, which, that等。
– 例子：The man who is running is my brother.
– 关系副词（Relative Adverbs）：如when, where, why, how等。
– 例子：I will go to the cinema when it opens.
– 连接代词（Conjunction Pronouns）：如what, which, that等。
– 例子：What she said was true.
– 连接副词（Conjunction Adverbs）：如why, how, when等。
– 例子：Why did you leave so early?
2. 形容词性从句（Adjectival Clause）
– 形容词性物主代词（Adjectival Possessive Pronouns）：如my, your, his等。
– 例子：My book is on the table.
– 形容词性物主短语（Adjectival Possessive Phrase）：如his, her, its等。
– 例子：Her house is very big.
3. 副词性从句（Adverbial Clause）
– 时间状语从句（Adverbial Clause of Time）
– 例子：He will arrive at the airport at 8:00 tomorrow morning.
– 地点状语从句（Adverbial Clause of Place）
– 例子：She lives in New York.
– 原因状语从句（Adverbial Clause of Reason）
– 例子：He left because he was tired.
– 结果状语从句（Adverbial Clause of Consequence）
– 例子：If I were you, I would not do that.
4. 条件状语从句（Conditional Clause）
– 一般现在时态的条件句：如果明天下雨，我们就不去公园。
– 例子：If it rains tomorrow, we won’t go to the park.
– 一般过去时态的条件句：如果昨天你去了，你会很高兴的。
– 例子：If you had gone yesterday, you would have been happy.
– 将来时态的条件句：如果你来，我会很高兴见到你。
– 例子：If you come, I will be glad to see you.
5. 让步状语从句（Conditional Clause of Concession）
– 表示让步的连词：尽管，虽然，即使，不过等。
– 例子：Although he is young, he is very experienced.
– 表示让步的副词或副词短语：nevertheless, however, still等。
– 例子：However hard he works, he never succeeds.
6. 选择疑问句（Whether/Whether Clause）
– 使用if或者whether引导，通常用于提问。
– 例子：Do you like this movie or that one?
– 使用or或者and连接两个选择项。
– 例子：Do you like this movie or that one?
7. 复合句（Complex Clause）
– 包含多个简单句的句子。
– 例子：The teacher told us that the exam was cancelled.
– 使用逗号、分号、冒号、破折号等标点符号分隔各个部分。
– 例子：She said, “I am leaving for Paris tomorrow.”
掌握这些从句类型的判别方法，需要通过大量的阅读和练习来熟悉各种从句的结构以及它们在句子中的作用。可以通过学习语法书籍、在线课程或参加语言课程来系统地学习和巩固这些知识。