could strike
Verbo irregular: strike - struck- struck, stricken

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could strike
you could strike
he could strike
we could strike
you could strike
they could strike 	I could be striking
you could be striking
he could be striking
we could be striking
you could be striking
they could be striking	I could have struck, stricken
you could have struck, stricken
he could have struck, stricken
we could have struck, stricken
you could have struck, stricken
they could have struck, stricken	I could have been striking
you could have been striking
he could have been striking
we could have been striking
you could have been striking
they could have been striking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not strike
you could not strike
he could not strike
we could not strike
you could not strike
they could not strike 	I could not be striking
you could not be striking
he could not be striking
we could not be striking
you could not be striking
they could not be striking	I could not have struck, stricken
you could not have struck, stricken
he could not have struck, stricken
we could not have struck, stricken
you could not have struck, stricken
they could not have struck, stricken	I could not have been striking
you could not have been striking
he could not have been striking
we could not have been striking
you could not have been striking
they could not have been striking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I strike?
could you strike?
could he strike?
could we strike?
could you strike?
could they strike? 	could I be striking?
could you be striking?
could he be striking?
could we be striking?
could you be striking?
could they be striking? 	could I have struck, stricken?
could you have struck, stricken?
could he have struck, stricken?
could we have struck, stricken?
could you have struck, stricken?
could they have struck, stricken? 	could I have been striking?
could you have been striking?
could he have been striking?
could we have been striking?
could you have been striking?
could they have been striking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not strike?
could you not strike?
could he not strike?
could we not strike?
could you not strike?
could they not strike? 	could I not be striking?
could you not be striking?
could he not be striking?
could we not be striking?
could you not be striking?
could they not be striking? 	could I not have struck, stricken?
could you not have struck, stricken?
could he not have struck, stricken?
could we not have struck, stricken?
could you not have struck, stricken?
could they not have struck, stricken? 	could I not have been striking?
could you not have been striking?
could he not have been striking?
could we not have been striking?
could you not have been striking?
could they not have been striking?