I can winnow you can winnow he can winnow we can winnow you can winnow they can winnow
Forma com V-ing
I can be winnowing you can be winnowing he can be winnowing we can be winnowing you can be winnowing they can be winnowing
Perfeito
I can have winnowed you can have winnowed he can have winnowed we can have winnowed you can have winnowed they can have winnowed
Perfeito com V-ing
I can have been winnowing you can have been winnowing he can have been winnowing we can have been winnowing you can have been winnowing they can have been winnowing
Negação
Forma simple
I can't winnow you can't winnow he can't winnow we can't winnow you can't winnow they can't winnow
Forma com V-ing
I can't be winnowing you can't be winnowing he can't be winnowing we can't be winnowing you can't be winnowing they can't be winnowing
Perfeito
I can't have winnowed you can't have winnowed he can't have winnowed we can't have winnowed you can't have winnowed they can't have winnowed
Perfeito com V-ing
I can't have been winnowing you can't have been winnowing he can't have been winnowing we can't have been winnowing you can't have been winnowing they can't have been winnowing
Forma interrogativa
Forma simple
can I winnow? can you winnow? can he winnow? can we winnow? can you winnow? can they winnow?
Forma com V-ing
can I be winnowing? can you be winnowing? can he be winnowing? can we be winnowing? can you be winnowing? can they be winnowing?
Perfeito
can I have winnowed? can you have winnowed? can he have winnowed? can we have winnowed? can you have winnowed? can they have winnowed?
Perfeito com V-ing
can I have been winnowing? can you have been winnowing? can he have been winnowing? can we have been winnowing? can you have been winnowing? can they have been winnowing?
Forma interro-Negação
Forma simple
can't I winnow? can't you winnow? can't he winnow? can't we winnow? can't you winnow? can't they winnow?
Forma com V-ing
can't I be winnowing? can't you be winnowing? can't he be winnowing? can't we be winnowing? can't you be winnowing? can't they be winnowing?
Perfeito
can't I have winnowed? can't you have winnowed? can't he have winnowed? can't we have winnowed? can't you have winnowed? can't they have winnowed?
Perfeito com V-ing
can't I have been winnowing? can't you have been winnowing? can't he have been winnowing? can't we have been winnowing? can't you have been winnowing? can't they have been winnowing?