English verb conjugation
CAN YAWP

Regular verb: yawp - yawped - yawped

Affirmation

Simple form	V-ing form
I can yawp you can yawp he can yawp we can yawp you can yawp they can yawp	I can be yawping you can be yawping he can be yawping we can be yawping you can be yawping they can be yawping
Perfect	V-ing perfect
I can have yawped you can have yawped he can have yawped we can have yawped you can have yawped they can have yawped	I can have been yawping you can have been yawping he can have been yawping we can have been yawping you can have been yawping they can have been yawping

Negation

Simple form	V-ing form
I cannot yawp you cannot yawp he cannot yawp we cannot yawp you cannot yawp they cannot yawp	I cannot be yawping you cannot be yawping he cannot be yawping we cannot be yawping you cannot be yawping they cannot be yawping
Perfect	V-ing perfect
I cannot have yawped you cannot have yawped he cannot have yawped we cannot have yawped you cannot have yawped they cannot have yawped	I cannot have been yawping you cannot have been yawping he cannot have been yawping we cannot have been yawping you cannot have been yawping they cannot have been yawping

Interrogative form

Simple form	V-ing form
can I yawp? can you yawp? can he yawp? can we yawp? can you yawp? can they yawp?	can I be yawping? can you be yawping? can he be yawping? can we be yawping? can you be yawping? can they be yawping?
Perfect	V-ing perfect
can I have yawped? can you have yawped? can he have yawped? can we have yawped? can you have yawped? can they have yawped?	can I have been yawping? can you have been yawping? can he have been yawping? can we have been yawping? can you have been yawping? can they have been yawping?

Interro-negative form

Simple form	V-ing form
can I not yawp? can you not yawp? can he not yawp? can we not yawp? can you not yawp? can they not yawp?	can I not be yawping? can you not be yawping? can he not be yawping? can we not be yawping? can you not be yawping? can they not be yawping?
Perfect	V-ing perfect
can I not have yawped? can you not have yawped? can he not have yawped? can we not have yawped? can you not have yawped? can they not have yawped?	can I not have been yawping? can you not have been yawping? can he not have been yawping? can we not have been yawping? can you not have been yawping? can they not have been yawping?