1.连词 Conjunctions

连词是一种虚词，用于连接单词、短语、从句或句子。在句子中不单独用作句子成分。
连词按其性质可分为并列连词和从属连词。

1.1.并列连词 Subordinating Conjunctions

səˈbɔːdɪneɪtɪŋ kənˈdʒʌŋkʃənz

• 并列连词主要是用来表示并列关系、转折关系、选择关系等。
• 并列连词用来连接属于同一层次并具有相同句法功能的词、短语或句子。
• 由并列连词连接的句子叫并列句。
• 并列连词共有七个FANBOYS：for、 and、 nor、but、or、yet、so.

1） for 因为、由于

• l eat at the cafe every weekend, for they serve the best coffee intown.
• He had a great desire to have a home of his own, for he had always lived with his grandmother.

2） and 和、而且、然后、Further more

• When he returned, she and Simon had alread