The present participle is stunning.
The past tense of stun is stunned
Stunned is the past tense and past participle form of stun.
I, you, we, they stun. He, she, it stuns.
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 seeking.