In addition to understanding all kinds of grammar, it is more important to speak more, not afraid of making mistakes, correct them in time, and constantly improve your spoken English; Secondly, a lot of English in American TV plays are not all sentence patterns used in daily life, so if you want to improve your listening, you can choose to watch more original news reports and BBC documentaries, and at the same time, you should be brave enough to speak, listen and speak more!