Froggy Jumps Activity 1: Certain, Possible, and ImpossibleVersion en ligne Impossible means there's no chance that an event will happen. It will never happen! Certain means there's a 100% chance that an event will happen. It is sure to happen! Possible – it might happen. par Christine Joy Sibugan 1 A barking dog. a CERTAIN b POSSIBLE c IMPOSSIBLE 2 A man gives birth to a baby a CERTAIN b POSSIBLE c IMPOSSIBLE 3 If I can do small things, then I can also do great things. a CERTAIN b POSSIBLE c IMPOSSIBLE 4 The irreversible effects of Global warming by 2030 can be prevented a CERTAIN b POSSIBLE c IMPOSSIBLE 5 I will take a bath tomorrow. a CERTAIN b POSSIBLE c IMPOSSIBLE