Поставить глагол to be в соответствующую форму и указать его лицо, число, время, залог. there (to be) nobody in the room. when i met him he (to be) going to the lecture. she has never (to be) abroad. his wife (to be) a lawyer, she (to be + not) a doctor. when they (to be) present at the hearing of the case they got to know all the details of the crime. what (to be) he doing at present? i (to be) writing a report when he comes to my place tomorrow.