I have found that in BrE, ‘team’ is either singular or plural, while in AmE, it is always singular from here: Team as singular or plural I

read the following line in the article : Given

the right conditions, and the team playing to its potential, kohli will be disappointed if his team don’t win the series.

Do you think it’s correct to put ” doesn’t ” after’don’t’? If so, why? Why is there pain in being able to answer questions?

I want to know how do I get better grades by myself but I don’t know what I can do.