could putter
Verbo regular: putter - puttered- puttered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could putter
you could putter
he could putter
we could putter
you could putter
they could putter 	I could be puttering
you could be puttering
he could be puttering
we could be puttering
you could be puttering
they could be puttering	I could have puttered
you could have puttered
he could have puttered
we could have puttered
you could have puttered
they could have puttered	I could have been puttering
you could have been puttering
he could have been puttering
we could have been puttering
you could have been puttering
they could have been puttering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't putter
you couldn't putter
he couldn't putter
we couldn't putter
you couldn't putter
they couldn't putter 	I couldn't be puttering
you couldn't be puttering
he couldn't be puttering
we couldn't be puttering
you couldn't be puttering
they couldn't be puttering	I couldn't have puttered
you couldn't have puttered
he couldn't have puttered
we couldn't have puttered
you couldn't have puttered
they couldn't have puttered	I couldn't have been puttering
you couldn't have been puttering
he couldn't have been puttering
we couldn't have been puttering
you couldn't have been puttering
they couldn't have been puttering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I putter?
could you putter?
could he putter?
could we putter?
could you putter?
could they putter? 	could I be puttering?
could you be puttering?
could he be puttering?
could we be puttering?
could you be puttering?
could they be puttering? 	could I have puttered?
could you have puttered?
could he have puttered?
could we have puttered?
could you have puttered?
could they have puttered? 	could I have been puttering?
could you have been puttering?
could he have been puttering?
could we have been puttering?
could you have been puttering?
could they have been puttering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I putter?
couldn't you putter?
couldn't he putter?
couldn't we putter?
couldn't you putter?
couldn't they putter? 	couldn't I be puttering?
couldn't you be puttering?
couldn't he be puttering?
couldn't we be puttering?
couldn't you be puttering?
couldn't they be puttering? 	couldn't I have puttered?
couldn't you have puttered?
couldn't he have puttered?
couldn't we have puttered?
couldn't you have puttered?
couldn't they have puttered? 	couldn't I have been puttering?
couldn't you have been puttering?
couldn't he have been puttering?
couldn't we have been puttering?
couldn't you have been puttering?
couldn't they have been puttering?