Pr.s.- present simple, p.s.- past simple, f.s.- future simple, pr.c.- present continuous, p.c.- past continuous, f.c.- future continuous, pr.p.- present perfect, p.p.- past perfect, f.p.- future perfect, pr. p.c.- present perfect continuous, p.p.c.- past perfect continuous, f.p.c.- future perfect continuous, f.s.p.- future simple in the past, f.c.p.- future continuous in the past, f.p.p.-future perfect in the past, f.p.c.p.- future perfect continuous in the past. 2) i (to wait- pr.p.c.) for permission to go abroad for three months, but i (not to receive- pr.p.) the visa yet. 3) we (to drink-p.c.) tea when the telephone (to ring). 4) light ( to travel- pr.s.) more quickly than sound. 5) i (to finish- f.p.) the book by friday. if you like, i (to give-f.s.) it to you on saturday. 6) he said he (to arrive –f.s. in the past) in the evening. 7) we already (to cover-p.p.) about ten miles when peter, who (to look-p.p.c.) out of the window for the last five or ten minutes, exclaimed, “here is the station.” 8) the young and the old (to suffer- f.c.) from the economic recession. ( спад) 9) housewives and their children (to watch- f.p.c.) this show for three years by next autumn. 10) we thought we (to lie- f.p.c.in the past) on the beach for half a day when our friends returned from dive. мы думали, что будем лежать на пляже полдня, когда наши друзья вернутся после погружения. 11) researchers conveyed that the earth (not to survive-f.p.in the past) after the sun went out. 12) it was reported that plex company (to share- f.c.in the past) information and its plans with subscribers in the coming months.