The present participle of pop is popping.
The present tense is:I/You/We/They pop.He/She/It pops.The present participle is popping.
The present tense is:I/You/We/They pop.He/She/It pops.The present participle is popping.
Being is the present participle. The past participle is been.
Getting is the present participle of get.
The present participle is doing.
Presenting is the present participle of present.
Presenting is the present participle of present.
The present participle is choosing.
The present participle is walking.
The present participle is cleaning.
The present participle is leading.
The present participle of "understand" is "understanding."