can yap
Verbo regular: yap - yapped- yapped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can yap
you can yap
he can yap
we can yap
you can yap
they can yap 	I can be yapping
you can be yapping
he can be yapping
we can be yapping
you can be yapping
they can be yapping	I can have yapped
you can have yapped
he can have yapped
we can have yapped
you can have yapped
they can have yapped	I can have been yapping
you can have been yapping
he can have been yapping
we can have been yapping
you can have been yapping
they can have been yapping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't yap
you can't yap
he can't yap
we can't yap
you can't yap
they can't yap 	I can't be yapping
you can't be yapping
he can't be yapping
we can't be yapping
you can't be yapping
they can't be yapping	I can't have yapped
you can't have yapped
he can't have yapped
we can't have yapped
you can't have yapped
they can't have yapped	I can't have been yapping
you can't have been yapping
he can't have been yapping
we can't have been yapping
you can't have been yapping
they can't have been yapping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I yap?
can you yap?
can he yap?
can we yap?
can you yap?
can they yap? 	can I be yapping?
can you be yapping?
can he be yapping?
can we be yapping?
can you be yapping?
can they be yapping? 	can I have yapped?
can you have yapped?
can he have yapped?
can we have yapped?
can you have yapped?
can they have yapped? 	can I have been yapping?
can you have been yapping?
can he have been yapping?
can we have been yapping?
can you have been yapping?
can they have been yapping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I yap?
can't you yap?
can't he yap?
can't we yap?
can't you yap?
can't they yap? 	can't I be yapping?
can't you be yapping?
can't he be yapping?
can't we be yapping?
can't you be yapping?
can't they be yapping? 	can't I have yapped?
can't you have yapped?
can't he have yapped?
can't we have yapped?
can't you have yapped?
can't they have yapped? 	can't I have been yapping?
can't you have been yapping?
can't he have been yapping?
can't we have been yapping?
can't you have been yapping?
can't they have been yapping?