Упражнение на спряжение глагола to be (am, is, are)

a). Put in am, is or are. 
1. The weather is very nice today.
2. I ......... not tired.
3. This case ....... very heavy.
4. These cases ........ very heavy.
5. The dog ......... asleep.
6. Look! There ....... Carol.
7. I ......... hot. Can you open the window, please?
8. This castle ......... one thousand years old.
9. My brother and I ........ good tennis players.
10. Ann .......... at home but her children ....... at school.
11 I ....... a student. My sister ....... an architect.

b) Write the short form (she's/ we aren'y etc.)
1. he is ....he's.......
2. they are............
3. she is not..........
4. it is...................
5. I am not...........
6. you are not............

c) Write questions from these words. Use am/is/are.
1. (your mother at home?)...........Is your mother at home..?......................
2. (your parents at home?)................................................at home..?........
3. (your hotel expensive?).......................................................................?
4. (you interested in art?).........................................................................?
5. (the shops open today?)......................................................................?
6. (the park open today?)........................................................................?