II. complete each sentences with the correct form of the verb in brackets
1. I tired (expain)...............it to him, but he didn't understand .
2.. Which TV programme (you, watch)....................at 9p.m tomorrow
III. change the following sentences from active into passive form.
1. I am lightening a paper
....................................................................
1.explaining 2..are you going to watch A paper is being lightened by me