could heckle
Verbo regular: heckle - heckled- heckled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could heckle
you could heckle
he could heckle
we could heckle
you could heckle
they could heckle 	I could be heckling
you could be heckling
he could be heckling
we could be heckling
you could be heckling
they could be heckling	I could have heckled
you could have heckled
he could have heckled
we could have heckled
you could have heckled
they could have heckled	I could have been heckling
you could have been heckling
he could have been heckling
we could have been heckling
you could have been heckling
they could have been heckling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not heckle
you could not heckle
he could not heckle
we could not heckle
you could not heckle
they could not heckle 	I could not be heckling
you could not be heckling
he could not be heckling
we could not be heckling
you could not be heckling
they could not be heckling	I could not have heckled
you could not have heckled
he could not have heckled
we could not have heckled
you could not have heckled
they could not have heckled	I could not have been heckling
you could not have been heckling
he could not have been heckling
we could not have been heckling
you could not have been heckling
they could not have been heckling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I heckle?
could you heckle?
could he heckle?
could we heckle?
could you heckle?
could they heckle? 	could I be heckling?
could you be heckling?
could he be heckling?
could we be heckling?
could you be heckling?
could they be heckling? 	could I have heckled?
could you have heckled?
could he have heckled?
could we have heckled?
could you have heckled?
could they have heckled? 	could I have been heckling?
could you have been heckling?
could he have been heckling?
could we have been heckling?
could you have been heckling?
could they have been heckling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not heckle?
could you not heckle?
could he not heckle?
could we not heckle?
could you not heckle?
could they not heckle? 	could I not be heckling?
could you not be heckling?
could he not be heckling?
could we not be heckling?
could you not be heckling?
could they not be heckling? 	could I not have heckled?
could you not have heckled?
could he not have heckled?
could we not have heckled?
could you not have heckled?
could they not have heckled? 	could I not have been heckling?
could you not have been heckling?
could he not have been heckling?
could we not have been heckling?
could you not have been heckling?
could they not have been heckling?