can hap
Regular verb: hap - haped- haped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can hap
you can hap
he can hap
we can hap
you can hap
they can hap 	I can be haping
you can be haping
he can be haping
we can be haping
you can be haping
they can be haping	I can have haped
you can have haped
he can have haped
we can have haped
you can have haped
they can have haped	I can have been haping
you can have been haping
he can have been haping
we can have been haping
you can have been haping
they can have been haping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't hap
you can't hap
he can't hap
we can't hap
you can't hap
they can't hap 	I can't be haping
you can't be haping
he can't be haping
we can't be haping
you can't be haping
they can't be haping	I can't have haped
you can't have haped
he can't have haped
we can't have haped
you can't have haped
they can't have haped	I can't have been haping
you can't have been haping
he can't have been haping
we can't have been haping
you can't have been haping
they can't have been haping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I hap?
can you hap?
can he hap?
can we hap?
can you hap?
can they hap? 	can I be haping?
can you be haping?
can he be haping?
can we be haping?
can you be haping?
can they be haping? 	can I have haped?
can you have haped?
can he have haped?
can we have haped?
can you have haped?
can they have haped? 	can I have been haping?
can you have been haping?
can he have been haping?
can we have been haping?
can you have been haping?
can they have been haping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I hap?
can't you hap?
can't he hap?
can't we hap?
can't you hap?
can't they hap? 	can't I be haping?
can't you be haping?
can't he be haping?
can't we be haping?
can't you be haping?
can't they be haping? 	can't I have haped?
can't you have haped?
can't he have haped?
can't we have haped?
can't you have haped?
can't they have haped? 	can't I have been haping?
can't you have been haping?
can't he have been haping?
can't we have been haping?
can't you have been haping?
can't they have been haping?