could sow
Verbo irregular: sow - sowed- sown, sowed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could sow
you could sow
he could sow
we could sow
you could sow
they could sow 	I could be sowing
you could be sowing
he could be sowing
we could be sowing
you could be sowing
they could be sowing	I could have sown, sowed
you could have sown, sowed
he could have sown, sowed
we could have sown, sowed
you could have sown, sowed
they could have sown, sowed	I could have been sowing
you could have been sowing
he could have been sowing
we could have been sowing
you could have been sowing
they could have been sowing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not sow
you could not sow
he could not sow
we could not sow
you could not sow
they could not sow 	I could not be sowing
you could not be sowing
he could not be sowing
we could not be sowing
you could not be sowing
they could not be sowing	I could not have sown, sowed
you could not have sown, sowed
he could not have sown, sowed
we could not have sown, sowed
you could not have sown, sowed
they could not have sown, sowed	I could not have been sowing
you could not have been sowing
he could not have been sowing
we could not have been sowing
you could not have been sowing
they could not have been sowing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I sow?
could you sow?
could he sow?
could we sow?
could you sow?
could they sow? 	could I be sowing?
could you be sowing?
could he be sowing?
could we be sowing?
could you be sowing?
could they be sowing? 	could I have sown, sowed?
could you have sown, sowed?
could he have sown, sowed?
could we have sown, sowed?
could you have sown, sowed?
could they have sown, sowed? 	could I have been sowing?
could you have been sowing?
could he have been sowing?
could we have been sowing?
could you have been sowing?
could they have been sowing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not sow?
could you not sow?
could he not sow?
could we not sow?
could you not sow?
could they not sow? 	could I not be sowing?
could you not be sowing?
could he not be sowing?
could we not be sowing?
could you not be sowing?
could they not be sowing? 	could I not have sown, sowed?
could you not have sown, sowed?
could he not have sown, sowed?
could we not have sown, sowed?
could you not have sown, sowed?
could they not have sown, sowed? 	could I not have been sowing?
could you not have been sowing?
could he not have been sowing?
could we not have been sowing?
could you not have been sowing?
could they not have been sowing?