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"