could treadle
Verbo regular: treadle - treadled- treadled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could treadle
you could treadle
he could treadle
we could treadle
you could treadle
they could treadle 	I could be treadling
you could be treadling
he could be treadling
we could be treadling
you could be treadling
they could be treadling	I could have treadled
you could have treadled
he could have treadled
we could have treadled
you could have treadled
they could have treadled	I could have been treadling
you could have been treadling
he could have been treadling
we could have been treadling
you could have been treadling
they could have been treadling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not treadle
you could not treadle
he could not treadle
we could not treadle
you could not treadle
they could not treadle 	I could not be treadling
you could not be treadling
he could not be treadling
we could not be treadling
you could not be treadling
they could not be treadling	I could not have treadled
you could not have treadled
he could not have treadled
we could not have treadled
you could not have treadled
they could not have treadled	I could not have been treadling
you could not have been treadling
he could not have been treadling
we could not have been treadling
you could not have been treadling
they could not have been treadling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I treadle?
could you treadle?
could he treadle?
could we treadle?
could you treadle?
could they treadle? 	could I be treadling?
could you be treadling?
could he be treadling?
could we be treadling?
could you be treadling?
could they be treadling? 	could I have treadled?
could you have treadled?
could he have treadled?
could we have treadled?
could you have treadled?
could they have treadled? 	could I have been treadling?
could you have been treadling?
could he have been treadling?
could we have been treadling?
could you have been treadling?
could they have been treadling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not treadle?
could you not treadle?
could he not treadle?
could we not treadle?
could you not treadle?
could they not treadle? 	could I not be treadling?
could you not be treadling?
could he not be treadling?
could we not be treadling?
could you not be treadling?
could they not be treadling? 	could I not have treadled?
could you not have treadled?
could he not have treadled?
could we not have treadled?
could you not have treadled?
could they not have treadled? 	could I not have been treadling?
could you not have been treadling?
could he not have been treadling?
could we not have been treadling?
could you not have been treadling?
could they not have been treadling?