have 后面加名词或名词短语问题新概念说加名词 表示'进行' ‘从事’ 意思的 但是：小弟疑问1 have a holiday 2 have lunch 有时候加a 有时候又不加a 那我在实际应用中如何判断加还是不加呢?

have后面接早午晚餐的时候中间都没有a~
下面一些常用的你可以借鉴一下,
have class
have a fight with someone
have an argument with someone
have fun
have a good time
have a great time
have a headache
have a fever
have a cough
have a toothache
have a backache
have to
have a sore throat
have breakfast
have lunch
have supper