驚かせてごめんなさい。実は、アグネスさんがデザイナーだって聞いて、折り入ってお願いがあるんですけど…
Odorokasete gomennasai. Jitsu wa, Agunesu-san ga dezainā da tte kiite, oriitte o-negai ga aru n desu kedo....
I'm sorry to surprise you. Actually, I heard that you were a designer and I have a rather serious favor to ask you.
Why is this potential form?
"I have the ability to surprise you, sorry."
Does this construction work with other potentials too? "Odorokasu koto ga dekite gomennasai"?