If you were me, would you study English or go to
the movie?
如果你是我，你会去读英文还是看电影?
If I were you , I'd definitely study English.
如果我是你，我一定会去读英文。
Why?
为什么?
Because your grades in English are bad, and the
movie is not good.
因为你的英文成绩不好，而且这部电影不好看。
dfinitely ad.明确地，确切地;一定地，肯定地