could sidestroke
Verbo regular: sidestroke - sidestroked- sidestroked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could sidestroke
you could sidestroke
he could sidestroke
we could sidestroke
you could sidestroke
they could sidestroke 	I could be sidestroking
you could be sidestroking
he could be sidestroking
we could be sidestroking
you could be sidestroking
they could be sidestroking	I could have sidestroked
you could have sidestroked
he could have sidestroked
we could have sidestroked
you could have sidestroked
they could have sidestroked	I could have been sidestroking
you could have been sidestroking
he could have been sidestroking
we could have been sidestroking
you could have been sidestroking
they could have been sidestroking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't sidestroke
you couldn't sidestroke
he couldn't sidestroke
we couldn't sidestroke
you couldn't sidestroke
they couldn't sidestroke 	I couldn't be sidestroking
you couldn't be sidestroking
he couldn't be sidestroking
we couldn't be sidestroking
you couldn't be sidestroking
they couldn't be sidestroking	I couldn't have sidestroked
you couldn't have sidestroked
he couldn't have sidestroked
we couldn't have sidestroked
you couldn't have sidestroked
they couldn't have sidestroked	I couldn't have been sidestroking
you couldn't have been sidestroking
he couldn't have been sidestroking
we couldn't have been sidestroking
you couldn't have been sidestroking
they couldn't have been sidestroking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I sidestroke?
could you sidestroke?
could he sidestroke?
could we sidestroke?
could you sidestroke?
could they sidestroke? 	could I be sidestroking?
could you be sidestroking?
could he be sidestroking?
could we be sidestroking?
could you be sidestroking?
could they be sidestroking? 	could I have sidestroked?
could you have sidestroked?
could he have sidestroked?
could we have sidestroked?
could you have sidestroked?
could they have sidestroked? 	could I have been sidestroking?
could you have been sidestroking?
could he have been sidestroking?
could we have been sidestroking?
could you have been sidestroking?
could they have been sidestroking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I sidestroke?
couldn't you sidestroke?
couldn't he sidestroke?
couldn't we sidestroke?
couldn't you sidestroke?
couldn't they sidestroke? 	couldn't I be sidestroking?
couldn't you be sidestroking?
couldn't he be sidestroking?
couldn't we be sidestroking?
couldn't you be sidestroking?
couldn't they be sidestroking? 	couldn't I have sidestroked?
couldn't you have sidestroked?
couldn't he have sidestroked?
couldn't we have sidestroked?
couldn't you have sidestroked?
couldn't they have sidestroked? 	couldn't I have been sidestroking?
couldn't you have been sidestroking?
couldn't he have been sidestroking?
couldn't we have been sidestroking?
couldn't you have been sidestroking?
couldn't they have been sidestroking?