| 01.- Alice
wash the dishes yet. |
| 02.-
they eaten dinner? |
| 03.- My father
lost his keys. |
| 04.-
your bag stolen in Athens? |
| 05.- Many people
waiting for the bus. |
| 06.-
the postman ring the door-bell? |
| 07.- The train
left an hour ago. |
| 08.- What
they studying? |
| 09.- My mother
checking the oil. |
| 10.- I
been there once before. |
| 11.- He
clean the kitchen last night. |
| 12.- A monkey
sitting on my car. |
| |
Auxiliary verbs - exercises
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