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原因状语从句

常用的介系詞「因為」有:because of, as a result of, on account of, due to, owing to, 後方須搭配名詞。

常用的連接詞「所以」有:so,後方須連接句子,句子的基本條件為「主詞 + 動詞」。

  • (O) I love you so I am willing to do anything for you.

引导原因状语从句的从属连词有because(因为), as(由于), since(既然), now(that)(既然), when(既然), seeing (that) (由于,鉴于), considering (that)(考虑到), for(为), given (that) (考虑到)等。

1. , for (前面加逗号)

For 引导的是并列举表示原因但并不说明主句行为发生的直接原因

只提供一些辅助性的补充说明

For引导的并列句只能放于主句之后并且必须用逗号将其与主句隔开。

  • It rained last night , for the ground is wet this morning.

2. Because

  • We had an accident because he was careless.
  • Don’t cry because it is over; Smile because it happened.

3. Since

一般放于主句之前表示已知的, 显然的理由(通常被翻译成既然”),较为正式,语气比because弱。

  • Since we have so little money, we cannot afford the new car.

4. As

附带说明的双方已知的原因,语气比since弱,较为正式,位置较为灵活(常放于主句之前)

  • As you weren’t there when I arrived``, I left you a message.