could burst
Irregular verb: burst - burst- burst

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could burst
you could burst
he could burst
we could burst
you could burst
they could burst 	I could be bursting
you could be bursting
he could be bursting
we could be bursting
you could be bursting
they could be bursting	I could have burst
you could have burst
he could have burst
we could have burst
you could have burst
they could have burst	I could have been bursting
you could have been bursting
he could have been bursting
we could have been bursting
you could have been bursting
they could have been bursting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not burst
you could not burst
he could not burst
we could not burst
you could not burst
they could not burst 	I could not be bursting
you could not be bursting
he could not be bursting
we could not be bursting
you could not be bursting
they could not be bursting	I could not have burst
you could not have burst
he could not have burst
we could not have burst
you could not have burst
they could not have burst	I could not have been bursting
you could not have been bursting
he could not have been bursting
we could not have been bursting
you could not have been bursting
they could not have been bursting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I burst?
could you burst?
could he burst?
could we burst?
could you burst?
could they burst? 	could I be bursting?
could you be bursting?
could he be bursting?
could we be bursting?
could you be bursting?
could they be bursting? 	could I have burst?
could you have burst?
could he have burst?
could we have burst?
could you have burst?
could they have burst? 	could I have been bursting?
could you have been bursting?
could he have been bursting?
could we have been bursting?
could you have been bursting?
could they have been bursting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not burst?
could you not burst?
could he not burst?
could we not burst?
could you not burst?
could they not burst? 	could I not be bursting?
could you not be bursting?
could he not be bursting?
could we not be bursting?
could you not be bursting?
could they not be bursting? 	could I not have burst?
could you not have burst?
could he not have burst?
could we not have burst?
could you not have burst?
could they not have burst? 	could I not have been bursting?
could you not have been bursting?
could he not have been bursting?
could we not have been bursting?
could you not have been bursting?
could they not have been bursting?