----- Nội dung dịch tự động từ ảnh ----- Have (got) to / don't have to / must / mustn't I should I shouldn't We always use the base form of the verb after have (got) to I don't have to / must / mustn't / should / shouldn't. ✓ You should ask your sister to help you. X You should to ask your sister to help you. Circle the correct verb form. 1 You don't have to making/made/make coffee. We've got a coffee machine. 2 That music is very loud. You should use / to use / using headphones. 3 You must be / to be / being careful. It's dark in the garden. 4 He shouldn't worry/worried/worrying about the exam. He always gets good marks. 5 Tell Sarah she mustn't forget/ to forget/forgot to tidy her room. 6 What do I have to doing/do/did to join this club? Activate Window: