Conjugação do verbo inglês
CAN TIFF

Verbo regular: tiff - tiffed - tiffed

Afirmação

Forma simple	Forma com V-ing
I can tiff you can tiff she can tiff we can tiff you can tiff they can tiff	I can be tiffing you can be tiffing she can be tiffing we can be tiffing you can be tiffing they can be tiffing
Perfeito	Perfeito com V-ing
I can have tiffed you can have tiffed she can have tiffed we can have tiffed you can have tiffed they can have tiffed	I can have been tiffing you can have been tiffing she can have been tiffing we can have been tiffing you can have been tiffing they can have been tiffing

Negação

Forma simple	Forma com V-ing
I cannot tiff you cannot tiff she cannot tiff we cannot tiff you cannot tiff they cannot tiff	I cannot be tiffing you cannot be tiffing she cannot be tiffing we cannot be tiffing you cannot be tiffing they cannot be tiffing
Perfeito	Perfeito com V-ing
I cannot have tiffed you cannot have tiffed she cannot have tiffed we cannot have tiffed you cannot have tiffed they cannot have tiffed	I cannot have been tiffing you cannot have been tiffing she cannot have been tiffing we cannot have been tiffing you cannot have been tiffing they cannot have been tiffing

Forma interrogativa

Forma simple	Forma com V-ing
can I tiff? can you tiff? can she tiff? can we tiff? can you tiff? can they tiff?	can I be tiffing? can you be tiffing? can she be tiffing? can we be tiffing? can you be tiffing? can they be tiffing?
Perfeito	Perfeito com V-ing
can I have tiffed? can you have tiffed? can she have tiffed? can we have tiffed? can you have tiffed? can they have tiffed?	can I have been tiffing? can you have been tiffing? can she have been tiffing? can we have been tiffing? can you have been tiffing? can they have been tiffing?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not tiff? can you not tiff? can she not tiff? can we not tiff? can you not tiff? can they not tiff?	can I not be tiffing? can you not be tiffing? can she not be tiffing? can we not be tiffing? can you not be tiffing? can they not be tiffing?
Perfeito	Perfeito com V-ing
can I not have tiffed? can you not have tiffed? can she not have tiffed? can we not have tiffed? can you not have tiffed? can they not have tiffed?	can I not have been tiffing? can you not have been tiffing? can she not have been tiffing? can we not have been tiffing? can you not have been tiffing? can they not have been tiffing?