In Prepositions^x, Speak english^x, Pronouns^x

You mustn’t kiss each other while the Teacher is teaching. OK; it's forbidden You aren’t allowed to talk when the Teacher teaches. OK; you don't have the permission Instead of speaking Vietnamese, you must always/ often speak English. ... you must speak English: obligation You mustn’t eat...

Hello again, Mask. I musunderstood your question, but I see what you mean now. Just like many other English words, "than" belongs to more than one class. It is a preposition in sentences like "She is taller than me", and it is a conjunction in sentences like "She is taller than I (am)." In other...