ГДЗ по английскому языку 11 Класс класс упражнение - 184 р. 3

Rewrite the underlined phrases using must, have to, don’t have to, should, may/might, need to, don’t need to.  

The bathroom is one of the most dangerous areas of the home. You could easily fall and hurt yourself.However, there are a few things you can do to prevent such accidents. It’s very easy to slip while you’re having a shower so 1) it’d be a good idea to put a non-slip mat in your shower. Although 2) it isn’t necessary to have a bath mat next to your shower, 3) you’ll perhaps find it very useful. Also, it 4) is necessary to keep the floor clean and dry. If there is any water on the floor after you have had your shower, 5) you are supposed to clean it.