According to Michael Swan and Catherine Walter in their Oxford English Grammar Course (2011) 'Got-forms are not generally used to talk about habits and repeated actions'. But I can't get rid of the feeling that I have come across the usage of got-forms with school subjects though can't cite the excerpts here.
So, is this usage common in English and if so, is it grammatically correct?
Best Answer
I have got Math(s) twice a week.
The sentence is grammatically incorrect.
The phrase "have got" is mainly used in the sense of "have" when you talk about a possession, relationship, situation, or state, but not when you are talking about an action or event. You can say I have/have got a car, but you cannot say I have got a bath every morning.
the verb "have" in the sentence in question is indicative of an action. So you cannot say "I have got Math(s) twice a week. Instead, the correct sentence is:
I have Math twice a week.