QUICK CHECK Put a line through the incorrect sentence. 1 You can borrow my bike if you like. / You must borrow my bike if you like. 2 Could you help me with my homework?/ Must you help me with my homework? 3 You mustn't do it if you don't want to. You don't have to do it if you don't want to. 4 Should I speak to Rob about it? / Should I to speak to Rob about it? 5 Does Debbie has to come? / Does Debbie have to come?