Помогите,пожалуйста.
1) How often you
(to visit) your district doctor. 2) The other day he (to fall ill) with grippe. 3) Next Sunday we (to be going) to receive some guests. 4) My uncle seldom (to spend) time on chess. 5) Two days ago she (to pass) all the exams. 6) On Wednesday he (not to attend) the lecture in Biology. 7) Listen! Somebody (to sing)! 8) She (to sing) nicely. 9) Where you (to study)? 10) Look! Your sister (to do) her morning exercises. 11) Every year my Granny (to stay) at hospital. Раскрыть скобки,поставить глаголы в нужном времени

1.do you visit2.fell ill3.are going to4.spends5.passed6.didn't attend7.is singing8.sings9.do you study10.is doing11.stays