" me had lunch" ;" I had lunch" .

“我（宾语）吃过午饭了”；是“我（主语）吃过午饭了”。

Hi, Sam. We're having lunch. Do you want to have lunch with us?

你好，萨姆。我们正在吃午饭，你跟我们一起吃午饭好吗？

At noon, we had a picnic lunch in the sunshine.

中午，我们在太阳底下进行了野炊。

I think it's high time we had lunch.

我觉得是吃饭的时候了。

We haven't had lunch. We're just lightheaded.

我们没有吃午餐，所以头昏脑胀。

Daming is having lunch and lying in the sun.

大明正在阳光下吃中餐。

At which table was she having lunch?

她是在哪一桌吃饭的？

Sam and I had lunch together today.

我和萨姆今天一起吃的午饭。

And then everybody would have lunch together.

然后大家会一起吃午饭。

Then we had lunch at the House.

然后，我们在格林盆宅邸吃了午饭。