Exercise 2:

1, The boxes were too heavy for us to carry.

=> to be too Adj (for somebody) to do sth: quá … để làm gì.

2, This coffee is too hot for me to drink.

=> to be too Adj (for somebody) to do sth: quá … để làm gì.

3, The piano was too heavy for anyone to move.

=> to be too Adj (for somebody) to do sth: quá … để làm gì.

4, These apples are not ripe enough to eat.

=> Adj enough (for somebody) to do sth: đủ … để làm gì

5, The situation is too complicated for me to explain.

=> to be too Adj (for somebody) to do sth: quá … để làm gì.

6, The wall was too high for us to climb.

=> to be too Adj (for somebody) to do sth: quá … để làm gì.

7, This sofa isn’t big enough for three people to sit on.

=> Adj enough (for somebody) to do sth: đủ … để làm gì

8, Some things are too small to see without a microscope.

=> to be too Adj (for somebody) to do sth: quá … để làm gì.

9, He didn’t have enough money to live on.

=> Have enough + N (for somebody) to do sth: có đủ … để làm gì

10, The buffalo isn’t big enough to harm you.

=> Adj enough (for somebody) to do sth: đủ … để làm gì

11, The ice is too thick for us to walk on.

=> to be too Adj (for somebody) to do sth: quá … để làm gì.