I d like to have a small reception catered this Friday morning. 這裡的caterr + ed 是形容詞嗎? 如果加ing可不可以?

cater for---vi---provide food
catering for----noun----make provision for, supply what is desired , required for this Friday Morning, food-pander to=pander to=cater to=cater for(vi)=provide food;

Verb in this pattern are followed by a preposition and its object (which might be a noun). The verb and preposition function as a unit.
Reception might "catered"-------Subject + vi
"for" this Friday Morning------------preposition + phrase
Hence catered for.
catering----noun=the work of providing food for a small reception;
eg:-Who did the catering for the small reception this Friday Morning?
Hence:-eg:-I'd like to have a small reception catered (for)10 marks this Friday Morning.