在英语中,“what”通常用于指代物品或事物,引导名词性从句和疑问句,而在其他情况下,使用“that”更为恰当。
指代物品或事物
当我们需要指代一个物品或事物时,通常使用“what”。例如:
- What I need is a cup of coffee.
- I don't know what he's talking about.
引导名词性从句
在引导名词性从句的情况下,使用“what”是正确的。例如:
- I don't understand what you mean.
- What he said was very interesting.
引导疑问句
当我们需要引导一个疑问句时,通常使用“what”。例如:
- What do you want to eat for dinner?
- What time does the movie start?