С! transform the sentences into past and future indefinite tenses: 1. the students are in the reading hall. 2. i am glad meet my friend. 3. he is eighteen 4. my friend is preparing to enter the university 5. such problems are discussed at our meeting. 6. the train is to arrive at 10. 7. my friend is a doctor. 8. they are in moscow. 9. the book is translated into english. 10. pate is for you