1.    David told me that we'd talk (farther further) tomorrow.

2.    Billy found that he could throw the ball (farther further) than anyone else.

3.    A little bit of water in the mixture makes the paint go (farther further).

4.    I wish the professor had discussed this (farther further).

5.    The (farther further) you talk it over with Harold, the more confused he becomes.

6.    Your ability to  toss the football (farthest furthest)  should not make you act like a snob.

7.    Jane likes any fishing lure that allows her to cast (farther further).

8.    Perhaps the poem would be better if the poet had provided (farther further) detail.

9.    I hate it when my golf swing just doesn't make the ball go any (farther further). 

10.    We'll discuss this (farther further).