could click
Verbo regular: click - clicked- clicked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could click
you could click
he could click
we could click
you could click
they could click 	I could be clicking
you could be clicking
he could be clicking
we could be clicking
you could be clicking
they could be clicking	I could have clicked
you could have clicked
he could have clicked
we could have clicked
you could have clicked
they could have clicked	I could have been clicking
you could have been clicking
he could have been clicking
we could have been clicking
you could have been clicking
they could have been clicking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't click
you couldn't click
he couldn't click
we couldn't click
you couldn't click
they couldn't click 	I couldn't be clicking
you couldn't be clicking
he couldn't be clicking
we couldn't be clicking
you couldn't be clicking
they couldn't be clicking	I couldn't have clicked
you couldn't have clicked
he couldn't have clicked
we couldn't have clicked
you couldn't have clicked
they couldn't have clicked	I couldn't have been clicking
you couldn't have been clicking
he couldn't have been clicking
we couldn't have been clicking
you couldn't have been clicking
they couldn't have been clicking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I click?
could you click?
could he click?
could we click?
could you click?
could they click? 	could I be clicking?
could you be clicking?
could he be clicking?
could we be clicking?
could you be clicking?
could they be clicking? 	could I have clicked?
could you have clicked?
could he have clicked?
could we have clicked?
could you have clicked?
could they have clicked? 	could I have been clicking?
could you have been clicking?
could he have been clicking?
could we have been clicking?
could you have been clicking?
could they have been clicking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I click?
couldn't you click?
couldn't he click?
couldn't we click?
couldn't you click?
couldn't they click? 	couldn't I be clicking?
couldn't you be clicking?
couldn't he be clicking?
couldn't we be clicking?
couldn't you be clicking?
couldn't they be clicking? 	couldn't I have clicked?
couldn't you have clicked?
couldn't he have clicked?
couldn't we have clicked?
couldn't you have clicked?
couldn't they have clicked? 	couldn't I have been clicking?
couldn't you have been clicking?
couldn't he have been clicking?
couldn't we have been clicking?
couldn't you have been clicking?
couldn't they have been clicking?