I can summer you can summer he can summer we can summer you can summer they can summer
Forma com V-ing
I can be summering you can be summering he can be summering we can be summering you can be summering they can be summering
Perfeito
I can have summered you can have summered he can have summered we can have summered you can have summered they can have summered
Perfeito com V-ing
I can have been summering you can have been summering he can have been summering we can have been summering you can have been summering they can have been summering
Negação
Forma simple
I can't summer you can't summer he can't summer we can't summer you can't summer they can't summer
Forma com V-ing
I can't be summering you can't be summering he can't be summering we can't be summering you can't be summering they can't be summering
Perfeito
I can't have summered you can't have summered he can't have summered we can't have summered you can't have summered they can't have summered
Perfeito com V-ing
I can't have been summering you can't have been summering he can't have been summering we can't have been summering you can't have been summering they can't have been summering
Forma interrogativa
Forma simple
can I summer? can you summer? can he summer? can we summer? can you summer? can they summer?
Forma com V-ing
can I be summering? can you be summering? can he be summering? can we be summering? can you be summering? can they be summering?
Perfeito
can I have summered? can you have summered? can he have summered? can we have summered? can you have summered? can they have summered?
Perfeito com V-ing
can I have been summering? can you have been summering? can he have been summering? can we have been summering? can you have been summering? can they have been summering?
Forma interro-Negação
Forma simple
can't I summer? can't you summer? can't he summer? can't we summer? can't you summer? can't they summer?
Forma com V-ing
can't I be summering? can't you be summering? can't he be summering? can't we be summering? can't you be summering? can't they be summering?
Perfeito
can't I have summered? can't you have summered? can't he have summered? can't we have summered? can't you have summered? can't they have summered?
Perfeito com V-ing
can't I have been summering? can't you have been summering? can't he have been summering? can't we have been summering? can't you have been summering? can't they have been summering?