Употребите нужную форму герундия 1.we like (to invite) friends to our house. 2. do not come without (to invite). come without 3.i was sure of their (to invite) to this conference 4.he did not tell me about his (to invite) his friends to our party 5.does he remember (to invite) already the professor to the meeting 6. (to invite) her to the cinema was very pleasant