If you're just learning English, you need to practice your skills and get as much feedback as possible, from any source you can. If you have the chance to attend classes, take them; if that's not an option, don't be afraid to ask for help from more experienced people, such as teachers and native English speakers. If you're learning English, it's important that you immerse yourself in the language and practice as often as possible. If you have the opportunity to attend classes, go -- otherwise, don't be afraid to ask a teacher or other experienced native speaker for help.