Question

I have lunch I am having lunch I was having lunch

I have lunch
I am having lunch
I was having lunch
I have had lunch
I had had lunch
I have been having lunch
I had been having lunch
I will have lunch
I would have lunch
I will be having lunch
请问，以上各种时态分别是什么意思

Answer 1

这三句分别是不同时态的句子：“我（平时/常常……）吃午饭。”“我正在吃午饭。”“我（刚刚/昨天这时候……）正在吃午饭”

1、I have lunch. “我（平时/常常……）吃午饭。”
一般现在时：表示一般性、经常性动作。

2、I am having lunch. “我正在吃午饭。”
现在进行时：表示现在正在实施的动作，也有一种是表示即将要做什么事情的意义。

3、I was having lunch.“我（刚刚/昨天这时候……）正在吃午饭”
过去进行时：不是过去正在做的事。