(1) A man apt to promise is apt to forget. 

(2) This shoe is apt to slip.

(3) China cups are apt to break.

(4) Paper is apt to catch fire.

(5) The words are very apt to my case.

(6) We are apt to wish for what we can't have.

(7) Some of the staff are apt to arrive late on Mondays.

(8) The song would have been more apt for a bass voice.

(9) The words of this report are as apt today as in 1929.

(10) 'Scared stiff' is an apt description of how I felt at that moment.

(11) The remark was most apt.

(12) He is apt to raise the roof.

(13) The old are apt to catch a cold.

(14) Babies are apt to put objects into their mouths.

(15) He is apt to leave things about.

(16) Food is apt to deteriorate in summer.

(17) My little sister is apt at languages.

(18) Beginners are too apt to make mistakes in grammar.

(19) He is apt to fly out in a rage.

(20) My pen is rather apt to leak.

(21) The punishment should be apt for the crime.

(22) He is the most apt of all pupils.

(23) Redundant slogans are apt to petrify a man's thinking.

(24) My bicycle bell is apt to fall off when I ride too fast.

(25) Her comments on my work were very apt and to the point.

(26) 'Love at first sight' is a very apt description of how he felt when he saw her.

(27) We have some particularly apt students in the class this year.

(28) She was apt to raise her voice and wave her hands about.

(29) If she showed any tendency to coquetry he would be apt to straighten her tie, or if she "took up" with him at all(sentencedict.com), to call her by her first name.

(30) "Urchin", with its connotation of mischievousness, may not be a particularly apt word.