Заполнить пропуски соответствующей формой глагола to be. 1. she ... a good student. 2. These ... my books. 3. He ... ill yesterday. 4. My brother ... at school tomorrow. 5. where ... your mother now? 6. When I come home tomorrow, my sister ... at home. 7. Where ... your copy-books now?- they ... in the baq. 8. when my qrandfather ... young, he ... a doctor. 9. Mr. Petrov... in the office now. 10 ... your book on the table? No, it ... not.
Is, are, was, will go, is, will be, is, are, was, was, is, is, it is not.