could teethe
Verbo regular: teethe - teethed- teethed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could teethe
you could teethe
she could teethe
we could teethe
you could teethe
they could teethe 	I could be teething
you could be teething
she could be teething
we could be teething
you could be teething
they could be teething	I could have teethed
you could have teethed
she could have teethed
we could have teethed
you could have teethed
they could have teethed	I could have been teething
you could have been teething
she could have been teething
we could have been teething
you could have been teething
they could have been teething	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not teethe
you could not teethe
she could not teethe
we could not teethe
you could not teethe
they could not teethe 	I could not be teething
you could not be teething
she could not be teething
we could not be teething
you could not be teething
they could not be teething	I could not have teethed
you could not have teethed
she could not have teethed
we could not have teethed
you could not have teethed
they could not have teethed	I could not have been teething
you could not have been teething
she could not have been teething
we could not have been teething
you could not have been teething
they could not have been teething	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I teethe?
could you teethe?
could she teethe?
could we teethe?
could you teethe?
could they teethe? 	could I be teething?
could you be teething?
could she be teething?
could we be teething?
could you be teething?
could they be teething? 	could I have teethed?
could you have teethed?
could she have teethed?
could we have teethed?
could you have teethed?
could they have teethed? 	could I have been teething?
could you have been teething?
could she have been teething?
could we have been teething?
could you have been teething?
could they have been teething? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not teethe?
could you not teethe?
could she not teethe?
could we not teethe?
could you not teethe?
could they not teethe? 	could I not be teething?
could you not be teething?
could she not be teething?
could we not be teething?
could you not be teething?
could they not be teething? 	could I not have teethed?
could you not have teethed?
could she not have teethed?
could we not have teethed?
could you not have teethed?
could they not have teethed? 	could I not have been teething?
could you not have been teething?
could she not have been teething?
could we not have been teething?
could you not have been teething?
could they not have been teething?