1. Fill in the appropriate modal verb (must / may / need)
• I invite Bob to our house?
• It rain soon.
• You not make notes in the books.
• You pay your bills in restaurants.
• The baby is sleeping. You not shout.
• That diamond bracelet is very elegant but it have cost a fortune.
• You not say anything if you don’t want to.
• I can hear you quite well. You not shout.
• He has left the army and doesn’t to wear a uniform any more.
• I’ve bought everything, so you not go shopping.
• Tim gave me a letter to post. I not forget to post it.