Question

The twins had fun as they slide on the frozen puddle. what is the participle in this sentence

Answer 1

If anything the best answer would possibly work in this case would be *Slid*

Answer 2

The participle in this sentence is 'frozen,' as it is describing the noun 'puddle.'
Most participles end in -ing, but some have irregular endings such as -n, -t, or -en.