Oпределите по грамматическим признакам, какой частью речи являются слова, оформленные окончанием -s, и какую функцию это окончание выполняет а)показатель 3-го лица ед.числа глагола present simple b)признак множественного числа имени существительного с)показатель притяжательного падежа имени существительного 1.the mechanism includes stationary housing() and two moving parts. 2.researchers can track the position of the fiends on the sun's surface/ 3tthese modifications reduce a total weight of the cars/ 4.the national gallery includespaintings from british.spanish and french schools.

1. The mechanism includes (а) stationary housing and two moving parts (b).
2. Researchers (b) can track the position of the fiends (b) on the sun's (с) surface.
3. Tthese modifications (b) reduce a total weight of the cars (b).
4. The National Gallery includes (а) paintings (b) from British, Spanish and French schools (b).

1. If he wasn't busy, he would come to see us.
2. If the girl had studied well last year, she wouldn't have received bad marks.
3. If he hadn't broken his bicycle, he would have gone to the country.
4. If he had practice, he would speak English well.
5. If I hadn't had a bad headache yestreday, I would have come to see you.
6. If the ship hadn't been sailing near the coast, it wouldn't have struck a rock.
7. If he had been in town, he would have been present at our meeting.
8. If the pavement hadn't been so slippery, I wouldn't have fallen and hurt my leg.
9. If the sea wasn't rough we could sail to the island.
10. If they hadn't made a fire, the wolves wouldn't have run away.
11. If it wasn't late, I wouldn't have to go home.
12. If I hadn't been expecting my friend to come, I could have gone to the cinema with you.
13. He wouldn't get top marks in mathematics if it wasn't his favourite subject and he didn't work a lot at it.
14. If I had had a dictionary, I would have translated the article yesterday.
15. If the night hadn't been pitch-dark, we wouldn't have lost our way.
16. If the box hadn't been so heavy, I could have carried it and wouldn't have taken a taxi.

1. if he were not busy he would come to see us
2 if the girl had studied well last year she wouldn't have received bad marks
3 if he hadn't broken his bicycle he would have gone to the country
4 if he did a practice he would speak english well
5 if i hadn't had a headache the day before I would have come to see you
6 if the ship hadn't sailed near the coast it wouldn't have strucked  a rock
7 if he had been in town he would have presented in our meeting
8 if the pavement hadn't been so slipery i wouldn't have fallen and hurt my leg
9 if the sea were not rough we could sail to the island
10 if they hadn't made a fire , the frightenes wolves woudnn't have ran away
11 if it were not late i wouldn't go home
12 if i hadn't expected my friends to come i could have gone to the cinems with U