could demolish
Regular verb: demolish - demolished- demolished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could demolish
you could demolish
she could demolish
we could demolish
you could demolish
they could demolish 	I could be demolishing
you could be demolishing
she could be demolishing
we could be demolishing
you could be demolishing
they could be demolishing	I could have demolished
you could have demolished
she could have demolished
we could have demolished
you could have demolished
they could have demolished	I could have been demolishing
you could have been demolishing
she could have been demolishing
we could have been demolishing
you could have been demolishing
they could have been demolishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not demolish
you could not demolish
she could not demolish
we could not demolish
you could not demolish
they could not demolish 	I could not be demolishing
you could not be demolishing
she could not be demolishing
we could not be demolishing
you could not be demolishing
they could not be demolishing	I could not have demolished
you could not have demolished
she could not have demolished
we could not have demolished
you could not have demolished
they could not have demolished	I could not have been demolishing
you could not have been demolishing
she could not have been demolishing
we could not have been demolishing
you could not have been demolishing
they could not have been demolishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I demolish?
could you demolish?
could she demolish?
could we demolish?
could you demolish?
could they demolish? 	could I be demolishing?
could you be demolishing?
could she be demolishing?
could we be demolishing?
could you be demolishing?
could they be demolishing? 	could I have demolished?
could you have demolished?
could she have demolished?
could we have demolished?
could you have demolished?
could they have demolished? 	could I have been demolishing?
could you have been demolishing?
could she have been demolishing?
could we have been demolishing?
could you have been demolishing?
could they have been demolishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not demolish?
could you not demolish?
could she not demolish?
could we not demolish?
could you not demolish?
could they not demolish? 	could I not be demolishing?
could you not be demolishing?
could she not be demolishing?
could we not be demolishing?
could you not be demolishing?
could they not be demolishing? 	could I not have demolished?
could you not have demolished?
could she not have demolished?
could we not have demolished?
could you not have demolished?
could they not have demolished? 	could I not have been demolishing?
could you not have been demolishing?
could she not have been demolishing?
could we not have been demolishing?
could you not have been demolishing?
could they not have been demolishing?