1) you work, you are working;
2) it plays; it is playing;
3) I read; I'm reading;
4) He opens; he is opening;
5) she sings; she is singing;
1.You should to go to school every day
2.You need to eat before school
3.You must to do your homework in time
4.
A
chicken, a
cat, a cousin, an ox, a
friend, a lion, a relative, the
wind,
war,
a ship, a cow, a grandmother, a sister-in-law, a woman, the Moon, Australia.
an opportunity, a match, mathematics, matrimony, tea, a potato, a berry, blood, the summer, an autobiography, silver, a spoon, a blouse, a roof, the hail, the scales, the
scissors, hair, a hair-do, a hand, a position, the sea,