1. The boy is intelligent .He can understand you.
⇒ The boy is intelligent enough to understand you
2. This machine is not powerful. It cannot plough the hard soil.
⇒This machine is not powerful enough to plough the hard soil.
3. The story is short. We can read it in one hour.
⇒ The story is short enough for us to read it in one hour.
4. The film was very good. We saw it through.
⇒ The film was good enough for us to see it through.
5. The play was very amusing. They enjoyed it
⇒ The play was amusing for Them to enjoy it
6. This song is very simple. Everybody can sing it.
⇒ This song is simple enough for everyone to sing it.
7. This book is very interesting. My son should read it.
⇒ This book isinteresting enough for My son to read it
8. We were not early. We could not see the first part of the play.
⇒ We were not early enough for us to see the first part of the play.
9. The children were very eager. They started playing without me.
⇒ The children were eager enough to Them to start playing without me.
10. This room is so big. All of them can stay in this room
⇒ This room is big enough for All of them to stay in this room