could patch
Verbo regular: patch - patched- patched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could patch
you could patch
he could patch
we could patch
you could patch
they could patch 	I could be patching
you could be patching
he could be patching
we could be patching
you could be patching
they could be patching	I could have patched
you could have patched
he could have patched
we could have patched
you could have patched
they could have patched	I could have been patching
you could have been patching
he could have been patching
we could have been patching
you could have been patching
they could have been patching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't patch
you couldn't patch
he couldn't patch
we couldn't patch
you couldn't patch
they couldn't patch 	I couldn't be patching
you couldn't be patching
he couldn't be patching
we couldn't be patching
you couldn't be patching
they couldn't be patching	I couldn't have patched
you couldn't have patched
he couldn't have patched
we couldn't have patched
you couldn't have patched
they couldn't have patched	I couldn't have been patching
you couldn't have been patching
he couldn't have been patching
we couldn't have been patching
you couldn't have been patching
they couldn't have been patching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I patch?
could you patch?
could he patch?
could we patch?
could you patch?
could they patch? 	could I be patching?
could you be patching?
could he be patching?
could we be patching?
could you be patching?
could they be patching? 	could I have patched?
could you have patched?
could he have patched?
could we have patched?
could you have patched?
could they have patched? 	could I have been patching?
could you have been patching?
could he have been patching?
could we have been patching?
could you have been patching?
could they have been patching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I patch?
couldn't you patch?
couldn't he patch?
couldn't we patch?
couldn't you patch?
couldn't they patch? 	couldn't I be patching?
couldn't you be patching?
couldn't he be patching?
couldn't we be patching?
couldn't you be patching?
couldn't they be patching? 	couldn't I have patched?
couldn't you have patched?
couldn't he have patched?
couldn't we have patched?
couldn't you have patched?
couldn't they have patched? 	couldn't I have been patching?
couldn't you have been patching?
couldn't he have been patching?
couldn't we have been patching?
couldn't you have been patching?
couldn't they have been patching?