could dog-ear
Verbo regular: dog-ear - dog-eared- dog-eared

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could dog-ear
you could dog-ear
he could dog-ear
we could dog-ear
you could dog-ear
they could dog-ear 	I could be dog-earing
you could be dog-earing
he could be dog-earing
we could be dog-earing
you could be dog-earing
they could be dog-earing	I could have dog-eared
you could have dog-eared
he could have dog-eared
we could have dog-eared
you could have dog-eared
they could have dog-eared	I could have been dog-earing
you could have been dog-earing
he could have been dog-earing
we could have been dog-earing
you could have been dog-earing
they could have been dog-earing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't dog-ear
you couldn't dog-ear
he couldn't dog-ear
we couldn't dog-ear
you couldn't dog-ear
they couldn't dog-ear 	I couldn't be dog-earing
you couldn't be dog-earing
he couldn't be dog-earing
we couldn't be dog-earing
you couldn't be dog-earing
they couldn't be dog-earing	I couldn't have dog-eared
you couldn't have dog-eared
he couldn't have dog-eared
we couldn't have dog-eared
you couldn't have dog-eared
they couldn't have dog-eared	I couldn't have been dog-earing
you couldn't have been dog-earing
he couldn't have been dog-earing
we couldn't have been dog-earing
you couldn't have been dog-earing
they couldn't have been dog-earing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I dog-ear?
could you dog-ear?
could he dog-ear?
could we dog-ear?
could you dog-ear?
could they dog-ear? 	could I be dog-earing?
could you be dog-earing?
could he be dog-earing?
could we be dog-earing?
could you be dog-earing?
could they be dog-earing? 	could I have dog-eared?
could you have dog-eared?
could he have dog-eared?
could we have dog-eared?
could you have dog-eared?
could they have dog-eared? 	could I have been dog-earing?
could you have been dog-earing?
could he have been dog-earing?
could we have been dog-earing?
could you have been dog-earing?
could they have been dog-earing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I dog-ear?
couldn't you dog-ear?
couldn't he dog-ear?
couldn't we dog-ear?
couldn't you dog-ear?
couldn't they dog-ear? 	couldn't I be dog-earing?
couldn't you be dog-earing?
couldn't he be dog-earing?
couldn't we be dog-earing?
couldn't you be dog-earing?
couldn't they be dog-earing? 	couldn't I have dog-eared?
couldn't you have dog-eared?
couldn't he have dog-eared?
couldn't we have dog-eared?
couldn't you have dog-eared?
couldn't they have dog-eared? 	couldn't I have been dog-earing?
couldn't you have been dog-earing?
couldn't he have been dog-earing?
couldn't we have been dog-earing?
couldn't you have been dog-earing?
couldn't they have been dog-earing?