Поставьте глагол "to be" в нужную форму времени present indefinite tense : 1) she a girl. 2) we students. 3) they doctors. 4) i a mechanic. 5) you an engineer. 6) he a schoolboy. 7) you metalworkers. 8) this my pencil. 9) peter a boy? 10) thes girls students?