Express the following sentences using MUST / MUSN'T / HAVE TO / DON'T HAVE TO


E.g.It is an obligation not to drive on the left in Farnce.
You on the left in France.
1If you want to lose weight, my advice to you is to eat less fatty foods.
I think you less fatty foods if you want to lose weight.
2It isn't necessary to be very strong to be a fireman but it helps.
You very strong to be a fireman.
3We were obliged to take a detour as we were driving over to see them.
We a detour as we were driving over to see them.
4To be a good chef, it is necessary to love food.
You food to a good chef.
5When doing business in Germany, you are advised to be on time.
When doing business in Germany, you on time.
6It is a very good idea to back up your computer weekly.
You your computer weekly.
7It is an obligation not to break the law.
You the law.
8I have found that it is necessary to have a lot of patience in my work.
I very patient in my work.
9An engineer is obliged to be very precise in his work.
An engineer very precise in his work.
10It won't be necessary to arrive at the party before 8.30 next Saturday.
We at the party until 8.30 next Saturday.