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Нужно:

(Поставить фразы в настоящее время+вопрос и отрицательная форма)

1) Barbara Grey is going to visit Russia.

2) Stephen Wooding is going to invite Russian students to Britain.

3) The English partners are going to be responsible for the costs of accomodation.

1. Barbara Grey isn't going to visit Russia. (doesn't visit)

2. Stephen Wooding isn't going to invite Russian students to Britain. (doesn't invite)

3. The English partners aren't going to be responsible for the costs of accomodation. (don't)

1. Is Barbara Grey going to visit Russia?

2. Is Stephen Wooding going to invite Russian students to Britain?

3. Are the English partners going to be responsible for the costs of accomodation.