I can ponder you can ponder he can ponder we can ponder you can ponder they can ponder
Forma com V-ing
I can be pondering you can be pondering he can be pondering we can be pondering you can be pondering they can be pondering
Perfeito
I can have pondered you can have pondered he can have pondered we can have pondered you can have pondered they can have pondered
Perfeito com V-ing
I can have been pondering you can have been pondering he can have been pondering we can have been pondering you can have been pondering they can have been pondering
Negação
Forma simple
I can't ponder you can't ponder he can't ponder we can't ponder you can't ponder they can't ponder
Forma com V-ing
I can't be pondering you can't be pondering he can't be pondering we can't be pondering you can't be pondering they can't be pondering
Perfeito
I can't have pondered you can't have pondered he can't have pondered we can't have pondered you can't have pondered they can't have pondered
Perfeito com V-ing
I can't have been pondering you can't have been pondering he can't have been pondering we can't have been pondering you can't have been pondering they can't have been pondering
Forma interrogativa
Forma simple
can I ponder? can you ponder? can he ponder? can we ponder? can you ponder? can they ponder?
Forma com V-ing
can I be pondering? can you be pondering? can he be pondering? can we be pondering? can you be pondering? can they be pondering?
Perfeito
can I have pondered? can you have pondered? can he have pondered? can we have pondered? can you have pondered? can they have pondered?
Perfeito com V-ing
can I have been pondering? can you have been pondering? can he have been pondering? can we have been pondering? can you have been pondering? can they have been pondering?
Forma interro-Negação
Forma simple
can't I ponder? can't you ponder? can't he ponder? can't we ponder? can't you ponder? can't they ponder?
Forma com V-ing
can't I be pondering? can't you be pondering? can't he be pondering? can't we be pondering? can't you be pondering? can't they be pondering?
Perfeito
can't I have pondered? can't you have pondered? can't he have pondered? can't we have pondered? can't you have pondered? can't they have pondered?
Perfeito com V-ing
can't I have been pondering? can't you have been pondering? can't he have been pondering? can't we have been pondering? can't you have been pondering? can't they have been pondering?