could yaup
Regular verb: yaup - yauped- yauped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could yaup
you could yaup
she could yaup
we could yaup
you could yaup
they could yaup 	I could be yauping
you could be yauping
she could be yauping
we could be yauping
you could be yauping
they could be yauping	I could have yauped
you could have yauped
she could have yauped
we could have yauped
you could have yauped
they could have yauped	I could have been yauping
you could have been yauping
she could have been yauping
we could have been yauping
you could have been yauping
they could have been yauping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not yaup
you could not yaup
she could not yaup
we could not yaup
you could not yaup
they could not yaup 	I could not be yauping
you could not be yauping
she could not be yauping
we could not be yauping
you could not be yauping
they could not be yauping	I could not have yauped
you could not have yauped
she could not have yauped
we could not have yauped
you could not have yauped
they could not have yauped	I could not have been yauping
you could not have been yauping
she could not have been yauping
we could not have been yauping
you could not have been yauping
they could not have been yauping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I yaup?
could you yaup?
could she yaup?
could we yaup?
could you yaup?
could they yaup? 	could I be yauping?
could you be yauping?
could she be yauping?
could we be yauping?
could you be yauping?
could they be yauping? 	could I have yauped?
could you have yauped?
could she have yauped?
could we have yauped?
could you have yauped?
could they have yauped? 	could I have been yauping?
could you have been yauping?
could she have been yauping?
could we have been yauping?
could you have been yauping?
could they have been yauping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not yaup?
could you not yaup?
could she not yaup?
could we not yaup?
could you not yaup?
could they not yaup? 	could I not be yauping?
could you not be yauping?
could she not be yauping?
could we not be yauping?
could you not be yauping?
could they not be yauping? 	could I not have yauped?
could you not have yauped?
could she not have yauped?
could we not have yauped?
could you not have yauped?
could they not have yauped? 	could I not have been yauping?
could you not have been yauping?
could she not have been yauping?
could we not have been yauping?
could you not have been yauping?
could they not have been yauping?