havw breakfast在英语中是不存在的，应该是have breakfast，它的意思是吃早饭。
例句：
At nine o 'clock on the dot, they have breakfast.
他们在9点钟准时吃早饭。
I want to sleep, I don't want to have breakfast.
我想睡觉，我不想吃早饭了。
It's time for me to have breakfast.
该是我吃早餐的时候了。
They are going to have breakfast.
他们要吃早饭了。
Can I just have breakfast?
我现在能吃早饭了吗？
I often have breakfast with my mother.
我常和妈妈在一起吃早饭。
I have not time to have breakfast.
我没有时间吃早餐。
I am going to have breakfast with carrie.
我将与卡丽共进早餐。
It just means I can't have breakfast with you.
只是我不能陪你吃早餐了。
We had have breakfast, but they had not had it yet.
我们吃过早饭了，但他们还没吃。