No, the word shouldn't is a contraction, a shortened form of the verb 'should' and the adverb 'not'. The contractions shouldn't functions as a verb or an auxiliary verb in a sentence.
Examples:
You should not leave your dishes for someone else to clean up.
You shouldn't leave your dishes for someone else to clean up.
Farmers journal? Shouldnt be cheating .... no satisfaction in that!
i shouldnt have to answer this -.-
no it shouldnt cost u , as long as ur not roaming then it shouldnt cost u a penny :)
you shouldnt
It can block your intestines.
you shouldnt.
Well U shouldnt be
We shouldnt
No you shouldnt
no they shouldnt
your stupid you shouldnt do that
something you shouldnt watch