Conjugação do verbo inglês
CAN BUCKLE

Verbo regular: buckle - buckled - buckled

Afirmação

Forma simple	Forma com V-ing
I can buckle you can buckle he can buckle we can buckle you can buckle they can buckle	I can be buckling you can be buckling he can be buckling we can be buckling you can be buckling they can be buckling
Perfeito	Perfeito com V-ing
I can have buckled you can have buckled he can have buckled we can have buckled you can have buckled they can have buckled	I can have been buckling you can have been buckling he can have been buckling we can have been buckling you can have been buckling they can have been buckling

Negação

Forma simple	Forma com V-ing
I cannot buckle you cannot buckle he cannot buckle we cannot buckle you cannot buckle they cannot buckle	I cannot be buckling you cannot be buckling he cannot be buckling we cannot be buckling you cannot be buckling they cannot be buckling
Perfeito	Perfeito com V-ing
I cannot have buckled you cannot have buckled he cannot have buckled we cannot have buckled you cannot have buckled they cannot have buckled	I cannot have been buckling you cannot have been buckling he cannot have been buckling we cannot have been buckling you cannot have been buckling they cannot have been buckling

Forma interrogativa

Forma simple	Forma com V-ing
can I buckle? can you buckle? can he buckle? can we buckle? can you buckle? can they buckle?	can I be buckling? can you be buckling? can he be buckling? can we be buckling? can you be buckling? can they be buckling?
Perfeito	Perfeito com V-ing
can I have buckled? can you have buckled? can he have buckled? can we have buckled? can you have buckled? can they have buckled?	can I have been buckling? can you have been buckling? can he have been buckling? can we have been buckling? can you have been buckling? can they have been buckling?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not buckle? can you not buckle? can he not buckle? can we not buckle? can you not buckle? can they not buckle?	can I not be buckling? can you not be buckling? can he not be buckling? can we not be buckling? can you not be buckling? can they not be buckling?
Perfeito	Perfeito com V-ing
can I not have buckled? can you not have buckled? can he not have buckled? can we not have buckled? can you not have buckled? can they not have buckled?	can I not have been buckling? can you not have been buckling? can he not have been buckling? can we not have been buckling? can you not have been buckling? can they not have been buckling?