Conjugação do verbo inglês
CAN SPIFF

Verbo regular: spiff - spiffed - spiffed

Afirmação

Forma simple	Forma com V-ing
I can spiff you can spiff he can spiff we can spiff you can spiff they can spiff	I can be spiffing you can be spiffing he can be spiffing we can be spiffing you can be spiffing they can be spiffing
Perfeito	Perfeito com V-ing
I can have spiffed you can have spiffed he can have spiffed we can have spiffed you can have spiffed they can have spiffed	I can have been spiffing you can have been spiffing he can have been spiffing we can have been spiffing you can have been spiffing they can have been spiffing

Negação

Forma simple	Forma com V-ing
I can't spiff you can't spiff he can't spiff we can't spiff you can't spiff they can't spiff	I can't be spiffing you can't be spiffing he can't be spiffing we can't be spiffing you can't be spiffing they can't be spiffing
Perfeito	Perfeito com V-ing
I can't have spiffed you can't have spiffed he can't have spiffed we can't have spiffed you can't have spiffed they can't have spiffed	I can't have been spiffing you can't have been spiffing he can't have been spiffing we can't have been spiffing you can't have been spiffing they can't have been spiffing

Forma interrogativa

Forma simple	Forma com V-ing
can I spiff? can you spiff? can he spiff? can we spiff? can you spiff? can they spiff?	can I be spiffing? can you be spiffing? can he be spiffing? can we be spiffing? can you be spiffing? can they be spiffing?
Perfeito	Perfeito com V-ing
can I have spiffed? can you have spiffed? can he have spiffed? can we have spiffed? can you have spiffed? can they have spiffed?	can I have been spiffing? can you have been spiffing? can he have been spiffing? can we have been spiffing? can you have been spiffing? can they have been spiffing?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I spiff? can't you spiff? can't he spiff? can't we spiff? can't you spiff? can't they spiff?	can't I be spiffing? can't you be spiffing? can't he be spiffing? can't we be spiffing? can't you be spiffing? can't they be spiffing?
Perfeito	Perfeito com V-ing
can't I have spiffed? can't you have spiffed? can't he have spiffed? can't we have spiffed? can't you have spiffed? can't they have spiffed?	can't I have been spiffing? can't you have been spiffing? can't he have been spiffing? can't we have been spiffing? can't you have been spiffing? can't they have been spiffing?