We study a lots of Grammar but the big deal problem is The most of Thai students can't speak English. I've been studied for 5 years but my Grammar still so sucked cause I studeied with Native speakers so they didn't teach a lot of Grammar like Thai teachers. We've been learned listenning skill and speaking skill fisrt and then reading skill, so writthing is the last one We've been studied. Grammar can't help you good in English.