Conjugação do verbo inglês
COULD BUCKLE

Verbo regular: buckle - buckled - buckled

Afirmação

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

Negação

Forma simple	Forma com V-ing
I couldn't buckle you couldn't buckle she couldn't buckle we couldn't buckle you couldn't buckle they couldn't buckle	I couldn't be buckling you couldn't be buckling she couldn't be buckling we couldn't be buckling you couldn't be buckling they couldn't be buckling
Perfeito	Perfeito com V-ing
I couldn't have buckled you couldn't have buckled she couldn't have buckled we couldn't have buckled you couldn't have buckled they couldn't have buckled	I couldn't have been buckling you couldn't have been buckling she couldn't have been buckling we couldn't have been buckling you couldn't have been buckling they couldn't have been buckling

Forma interrogativa

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

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I buckle? couldn't you buckle? couldn't she buckle? couldn't we buckle? couldn't you buckle? couldn't they buckle?	couldn't I be buckling? couldn't you be buckling? couldn't she be buckling? couldn't we be buckling? couldn't you be buckling? couldn't they be buckling?
Perfeito	Perfeito com V-ing
couldn't I have buckled? couldn't you have buckled? couldn't she have buckled? couldn't we have buckled? couldn't you have buckled? couldn't they have buckled?	couldn't I have been buckling? couldn't you have been buckling? couldn't she have been buckling? couldn't we have been buckling? couldn't you have been buckling? couldn't they have been buckling?