Conjugação do verbo inglês
CAN RETCH

Verbo regular: retch - retched - retched

Afirmação

Forma simple	Forma com V-ing
I can retch you can retch he can retch we can retch you can retch they can retch	I can be retching you can be retching he can be retching we can be retching you can be retching they can be retching
Perfeito	Perfeito com V-ing
I can have retched you can have retched he can have retched we can have retched you can have retched they can have retched	I can have been retching you can have been retching he can have been retching we can have been retching you can have been retching they can have been retching

Negação

Forma simple	Forma com V-ing
I cannot retch you cannot retch he cannot retch we cannot retch you cannot retch they cannot retch	I cannot be retching you cannot be retching he cannot be retching we cannot be retching you cannot be retching they cannot be retching
Perfeito	Perfeito com V-ing
I cannot have retched you cannot have retched he cannot have retched we cannot have retched you cannot have retched they cannot have retched	I cannot have been retching you cannot have been retching he cannot have been retching we cannot have been retching you cannot have been retching they cannot have been retching

Forma interrogativa

Forma simple	Forma com V-ing
can I retch? can you retch? can he retch? can we retch? can you retch? can they retch?	can I be retching? can you be retching? can he be retching? can we be retching? can you be retching? can they be retching?
Perfeito	Perfeito com V-ing
can I have retched? can you have retched? can he have retched? can we have retched? can you have retched? can they have retched?	can I have been retching? can you have been retching? can he have been retching? can we have been retching? can you have been retching? can they have been retching?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not retch? can you not retch? can he not retch? can we not retch? can you not retch? can they not retch?	can I not be retching? can you not be retching? can he not be retching? can we not be retching? can you not be retching? can they not be retching?
Perfeito	Perfeito com V-ing
can I not have retched? can you not have retched? can he not have retched? can we not have retched? can you not have retched? can they not have retched?	can I not have been retching? can you not have been retching? can he not have been retching? can we not have been retching? can you not have been retching? can they not have been retching?