1) We seldom ( to go ) to the theatre.
2) The students of my group ( to be ) great lovers of sport.
3) His parents ( to live ) in Scotland.
4) We ( to study ) many subjects at the institute.
5) My brother ( to prefer ) football.
6) Mrs. Blake ( to work ) as a secretary in an office.
7) Her daughter ( to be married ) to a French man.
8) We ( to have ) a lot of problems.
9) His children ( to attend ) classes every day.
10) The director of the firm ( to have ) three secretaries.