1、吃早饭英语：have breakfast。breakfast意思是“早餐,早饭”,指一天的一顿饭。是不可数名词。泛指早餐时,前面不加冠词; 特指某一顿早餐时还可加定冠词或其他限定词；有定语修饰且非特指时其前一般加不定冠词。breakfast也可指“早餐吃的东西”,这时是可数名词。

2、例句：（1）It just means I cant have breakfast with you.只是我不能陪你吃早餐了。（2）We had have breakfast, but they had not had it yet.我们吃过早饭了，但他们还没吃。