I do not know why this is downvoted. If you know tv 2000 words and can use sentences like they do in TV, you are already in pretty good situation. You wont be a

I do not know why this is downvoted. If you know tv 2000 words and can use sentences like they do in TV, you are already in pretty good situation. You wont be able to discuss complex topics, but you will be able to get by and communicate more of what you need. Of course there will be a room for improvement ... but you will be able to get along in foreign language speaking environment and bootstrap from there.