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 cannot summer you cannot summer he cannot summer we cannot summer you cannot summer they cannot summer
Forma com V-ing
I cannot be summering you cannot be summering he cannot be summering we cannot be summering you cannot be summering they cannot be summering
Perfeito
I cannot have summered you cannot have summered he cannot have summered we cannot have summered you cannot have summered they cannot have summered
Perfeito com V-ing
I cannot have been summering you cannot have been summering he cannot have been summering we cannot have been summering you cannot have been summering they cannot 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 I not summer? can you not summer? can he not summer? can we not summer? can you not summer? can they not summer?
Forma com V-ing
can I not be summering? can you not be summering? can he not be summering? can we not be summering? can you not be summering? can they not be summering?
Perfeito
can I not have summered? can you not have summered? can he not have summered? can we not have summered? can you not have summered? can they not have summered?
Perfeito com V-ing
can I not have been summering? can you not have been summering? can he not have been summering? can we not have been summering? can you not have been summering? can they not have been summering?