系动词的用法You look serious.What are you thinking about?这句话为什么用ar

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/09/30 18:41:00

系动词的用法
You look serious.What are you thinking about?
这句话为什么用are...thinking而不用do...think?
Why are you smelling that meat?Is there anything wrong with it?
这句话为什么用are...smelling而不用do...smell?

“are...thinking”和“are...smelling”这是现在进行时,表示现在正在发生的是.
而“do...think”和“do...smell”是一般现在时.

What ever are you thinking about ? what are you thinking about?同义句 Please be serious about what you do.这句话中的serious什么意思? what are you thinking? Can you tell me what are you thinking about? 你在想什么英语What are you thinking?/ What are you thinking about? what do you think of it?你觉得这怎么样?what are you thinking about? what the hell are you about?这句话中的about是介词?这是什么用法阿? —What are you thinking about? —Things are always 这句话“Thinking About You Whole Day All I know is what you are thinking about.意思 I don't know what you are thinking about