could turtle
Verbo regular: turtle - turtled- turtled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could turtle
you could turtle
he could turtle
we could turtle
you could turtle
they could turtle 	I could be turtling
you could be turtling
he could be turtling
we could be turtling
you could be turtling
they could be turtling	I could have turtled
you could have turtled
he could have turtled
we could have turtled
you could have turtled
they could have turtled	I could have been turtling
you could have been turtling
he could have been turtling
we could have been turtling
you could have been turtling
they could have been turtling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't turtle
you couldn't turtle
he couldn't turtle
we couldn't turtle
you couldn't turtle
they couldn't turtle 	I couldn't be turtling
you couldn't be turtling
he couldn't be turtling
we couldn't be turtling
you couldn't be turtling
they couldn't be turtling	I couldn't have turtled
you couldn't have turtled
he couldn't have turtled
we couldn't have turtled
you couldn't have turtled
they couldn't have turtled	I couldn't have been turtling
you couldn't have been turtling
he couldn't have been turtling
we couldn't have been turtling
you couldn't have been turtling
they couldn't have been turtling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I turtle?
could you turtle?
could he turtle?
could we turtle?
could you turtle?
could they turtle? 	could I be turtling?
could you be turtling?
could he be turtling?
could we be turtling?
could you be turtling?
could they be turtling? 	could I have turtled?
could you have turtled?
could he have turtled?
could we have turtled?
could you have turtled?
could they have turtled? 	could I have been turtling?
could you have been turtling?
could he have been turtling?
could we have been turtling?
could you have been turtling?
could they have been turtling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I turtle?
couldn't you turtle?
couldn't he turtle?
couldn't we turtle?
couldn't you turtle?
couldn't they turtle? 	couldn't I be turtling?
couldn't you be turtling?
couldn't he be turtling?
couldn't we be turtling?
couldn't you be turtling?
couldn't they be turtling? 	couldn't I have turtled?
couldn't you have turtled?
couldn't he have turtled?
couldn't we have turtled?
couldn't you have turtled?
couldn't they have turtled? 	couldn't I have been turtling?
couldn't you have been turtling?
couldn't he have been turtling?
couldn't we have been turtling?
couldn't you have been turtling?
couldn't they have been turtling?