conjunction 连词
连词：连接单词、句子和从句。
Coordinating Conjunctions 并且连词
助记：FAN BOYS
For：因为（since, because）
🌰 I do not eat buttons for they are not food. 我不吃按钮因为它们不是食物。
And: 连接事情（combine things)
🌰 The kangaroo robbed the bank and torched the saloon. 袋鼠抢劫了银行，还放火烧了酒馆。
Not: 连接否定的事情（combine untrue things）
🌰 She won’t leave her tree, nor will she speak with humans. 她不会离开她的树，也不会和其他人说话。
But：表示特例（express exception）
🌰 We used evey building material but chewing gum. 除了口香糖，我们用了所有建筑 材料。
Or: 做选择（chooses between options）
🌰 Would you rather have a pet bear or a pet giraffe? 你想要一只宠物熊还是一只宠物长颈鹿？
Yet：对比（contrary）
🌰 I want to leave, yet I cannot. 我想离开，但是不能。
So：显示结果（show consequence）
🌰 Dougal was allergic to sheep, so he skipped the wool festival. 杜格尔对羊过敏，所以他没有去羊毛节。
Subordinating Conjunctions 从属连词
Clause have two type 从句有两种：
- Independent Clause 独立从句，包含主语+动词
- Dependent Clause 从属从句
All sentences Clauses 所有的句子 从句
All Clauses Sentences 所有的从句 句子
Herbert performed his irresponsible experiments because he was curious.
前半段「Herbert performed his irresponsible experiments」是独立从句，独立代表一件事情。
后半段「because he was curious」是从属从句，提供更进一步的信息，没办法独立，需要从属于另外的从句才有意义。
连接从属从句的连词，就是从属连词
🌰 Although she loved Sir Reginald, Lady Penelope hated his pranks. 尽管她爱着雷金纳德爵士，但佩内洛普夫人讨厌他的恶作剧。
这里「Although」就是从属连词
从属连词：
| Column 1 | Column 2 | Column 3 | Column 4 |
|---|---|---|---|
| After | Because | Even though | Like |
| Although | Before | If | Rather than |
| As | Even if | If only | Since |
| As if | That | Though | Until |
| When | Where | Whereas | Whether |
| Wherever | Which | While |
Correlative Conjunctions 对等连词
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Either/or: Either the wallpaper go, or I do.
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Neither/nor: Neither Jia nor Becca like Howard.
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Both/and: Both Bigby and LaDoux were career criminals.
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As/so: As goes Kansas, so goes nation.
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Whether/or: Whether you like shrimp or chocolate, there’s certain to be something for you at the Veracruz food fair.