Question

rewrite the sentences using must.mustnt.should.shouldnt.have to or dont have to
1)its not a good idea to swim immediately after a meal
2)its really important to take this medicine three times a day
3)is it necessary for me to do the exercise?
4)its satudray tomorrow,so its not necessary for me to get up early
5)its a good idea to listen to the weather forecast before you go hill walking
6)i can recommend this book to you-I think you would like it a lot
7)its a good idea to have a medical check-up every two years
8)its very important not to drink the water there.It will make you ill
9)is it really necessary for us to finish the work today?

Answer 1

1.You don't have to swim immediately after a meal.
2.You must take this medicine three times a day.
3.Should I do the exercise?
4.It is Saturday tomorrow so I shouldn't get up early.
5.I have to listen to the weather forecast before hill walking.
6.I should recommend this book to you - I think you would like it a lot.
7.You must have a medical check-up every two years.
8.You mustn't drink the water there. It will make you ill.
9.We have to finish the work today?