1- He worked all the harder because his master praised him.

2- He works all the harder because his baby was born.

3- He studied all the harder for being praised by his teacher.

4- Not knowing what or why makes it all the harder.

5- That makes the following story all the harder to bear.

6- The earliness of the snow is made all the harder to tolerate when accompanied by November subzero temperatures.

7- He works all the harder because his baby was born.

8- He worked all the harder because his master praised him.

9- He studied all the harder for being praised by his teacher.

Get More Sentences: -
Learning Games for Fun :
Here are some games designed for not only learning but also having fun. Enjoy it now!
learning games games for teaching US common core games

all the harder in a sentence