Задание 10.Grammar in Use, 5c,Spotlight, 11 класс, Английский язык,О.В. Афанасьева,ГДЗ

Прошу помощи. Кто знает как сделать :
Sentence transformations
Complete the second sentence so that it
means the same as the first. Use the word
in bold. Use two to five words.
1      It’s not necessary for you to come with me.
have        You.... come with me.
2       It wasn’t necessary to buy a new TV.
need He.............. buy a new TV.
3       I’m sure that I left my mobile phone at home.
must I................. my mobile phone at home.
4       I’m sure Robert didn’t steal the money.
have Robert.............. the money.
5       He has probably arrived in London by now.
should He........... in London by now.