Tell me please if I need to use the in the following sentence.
I don't speak English fluently, but I know (the) basic grammar pretty well.
I am in doubt whether to use the or not, because, for one thing, there are a lot of points in English grammar, and I didn't specify which ones. And for the other, It is connoted that I was talking about the basic grammar of English.
Beaing a non-native English speaker it is really hard to tell whether the article is needed or not, but I would use it there. Tell me please if my choice is right. And no matter if it is right or not, tell me the reasons of using, or not using it there please.