【三大子句】５分鐘學會副詞子句 (Adverb Clause) 的用法！

I like to eat cake.
我喜歡吃蛋糕。

While Mom was taking a shower. (Ｘ)
當媽媽在洗澡時...（語意不完整）
沒有說完「當媽媽在洗澡時」究竟發生什麼事

因此應該要改寫成⮕
While Mom was taking a shower, the bell rang. (Ｏ)
當媽媽在洗澡時，電鈴響了。

How can you say you don't like him when you've never even met him!
你連他都沒見過，怎麼能說不喜歡他呢！
→ 副詞子句 when you've never even met him 修飾整個主要子句，補充說明了「你沒見過他」的這個資訊。

★如果去除副詞子句，僅留下主要子句，句構依然完整，如下：
How can you say you don't like him!
你怎麼能說不喜歡他呢！

We can’t go to Sam’s party this weekend because we have a test next week.
= Because we have a test next week, we can’t go to Sam’s party this weekend.
我們這周末不能去山姆的派對，因為我們下周有個考試。

We’ll cancel the soccer game if it will tomorrow. (Ｘ)
We’ll cancel the soccer game if it rains tomorrow. (Ｏ)
如果明天下雨，我們會取消足球比賽。
→ 下雨是發生在未來的事，但因為是假設而非確定，因此以「現在代替未來」。