Is this sentence correct->
A group of students, who have begun to study, believes that hardwork is nothing.
I am kind of confused whether it will be 'believe' or 'believes'.Also please explain whether 'have begun' is due to 'students' ,not considering the collective noun 'a group'?
A group of students, who have begun to study, believes that hardwork is nothing.
I am kind of confused whether it will be 'believe' or 'believes'.Also please explain whether 'have begun' is due to 'students' ,not considering the collective noun 'a group'?

















