Change the form
Ex:
My sister was able to do the puzzle. (-)
– My sister wasn't able to do the puzzle.
1. The doctors weren't able to save the patient's life. (+)
……………………………..……
2.

My brother won't be able to see the blackboard.
(?)
……………………………..
3. My father is able to speak three languages.
(?)
……………………………..
4. A mechanic is able to mend cars. (?)
……………………………..

5.

Were our ancestors able to do wrestling?
(+)
……………………………..……
6. Parrots aren't able to talk. (+)
……………………………..
7. My brother was able to change a plug. (+)
……………………………..……
8. I will be able to watch that movie. (-)
……………………………..
9.

The children weren't able to play the guitar(+)
……………………………..
10. Jennifer Lopez isn't able to sing a song.
(+)
……………………………..

Answers:

1. The doctors were able to save the patient's life. 2. Will your brother be able to see the blackboard?
3. Is your father able to speak three languages 4. Is a mechanic able to mend cars?
5. Our ancestors were able to do wrestling. 6. Parrots are able to talk.
7. My brother wasn't able to change a plug. 8. I won't be able to watch that movie.
9. The children were able to play guitar. 10. Jennifer Lopez is able to sing a song.