could whang
Regular verb: whang - whanged- whanged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could whang
you could whang
she could whang
we could whang
you could whang
they could whang 	I could be whanging
you could be whanging
she could be whanging
we could be whanging
you could be whanging
they could be whanging	I could have whanged
you could have whanged
she could have whanged
we could have whanged
you could have whanged
they could have whanged	I could have been whanging
you could have been whanging
she could have been whanging
we could have been whanging
you could have been whanging
they could have been whanging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not whang
you could not whang
she could not whang
we could not whang
you could not whang
they could not whang 	I could not be whanging
you could not be whanging
she could not be whanging
we could not be whanging
you could not be whanging
they could not be whanging	I could not have whanged
you could not have whanged
she could not have whanged
we could not have whanged
you could not have whanged
they could not have whanged	I could not have been whanging
you could not have been whanging
she could not have been whanging
we could not have been whanging
you could not have been whanging
they could not have been whanging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I whang?
could you whang?
could she whang?
could we whang?
could you whang?
could they whang? 	could I be whanging?
could you be whanging?
could she be whanging?
could we be whanging?
could you be whanging?
could they be whanging? 	could I have whanged?
could you have whanged?
could she have whanged?
could we have whanged?
could you have whanged?
could they have whanged? 	could I have been whanging?
could you have been whanging?
could she have been whanging?
could we have been whanging?
could you have been whanging?
could they have been whanging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not whang?
could you not whang?
could she not whang?
could we not whang?
could you not whang?
could they not whang? 	could I not be whanging?
could you not be whanging?
could she not be whanging?
could we not be whanging?
could you not be whanging?
could they not be whanging? 	could I not have whanged?
could you not have whanged?
could she not have whanged?
could we not have whanged?
could you not have whanged?
could they not have whanged? 	could I not have been whanging?
could you not have been whanging?
could she not have been whanging?
could we not have been whanging?
could you not have been whanging?
could they not have been whanging?