1) "You (to wake) the children?" - "Not yet, they still (to sleep) "

2) You are late, the lesson (to begin) already

3) The weather is nasty, a strong wind (to blow)

4) "You (to choose) a topic for your composition?" - "Not yet"

1) "Have you woken the children?" - "Not yet, they are still sleeping"

2) You are late, the lesson have already begun.

3) The weather is nasty, a strong wind have blown.

4) "Have you chosen a topic for your composition?" - "Not yet"