could pivot
Regular verb: pivot - pivoted- pivoted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could pivot
you could pivot
she could pivot
we could pivot
you could pivot
they could pivot 	I could be pivoting
you could be pivoting
she could be pivoting
we could be pivoting
you could be pivoting
they could be pivoting	I could have pivoted
you could have pivoted
she could have pivoted
we could have pivoted
you could have pivoted
they could have pivoted	I could have been pivoting
you could have been pivoting
she could have been pivoting
we could have been pivoting
you could have been pivoting
they could have been pivoting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not pivot
you could not pivot
she could not pivot
we could not pivot
you could not pivot
they could not pivot 	I could not be pivoting
you could not be pivoting
she could not be pivoting
we could not be pivoting
you could not be pivoting
they could not be pivoting	I could not have pivoted
you could not have pivoted
she could not have pivoted
we could not have pivoted
you could not have pivoted
they could not have pivoted	I could not have been pivoting
you could not have been pivoting
she could not have been pivoting
we could not have been pivoting
you could not have been pivoting
they could not have been pivoting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I pivot?
could you pivot?
could she pivot?
could we pivot?
could you pivot?
could they pivot? 	could I be pivoting?
could you be pivoting?
could she be pivoting?
could we be pivoting?
could you be pivoting?
could they be pivoting? 	could I have pivoted?
could you have pivoted?
could she have pivoted?
could we have pivoted?
could you have pivoted?
could they have pivoted? 	could I have been pivoting?
could you have been pivoting?
could she have been pivoting?
could we have been pivoting?
could you have been pivoting?
could they have been pivoting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not pivot?
could you not pivot?
could she not pivot?
could we not pivot?
could you not pivot?
could they not pivot? 	could I not be pivoting?
could you not be pivoting?
could she not be pivoting?
could we not be pivoting?
could you not be pivoting?
could they not be pivoting? 	could I not have pivoted?
could you not have pivoted?
could she not have pivoted?
could we not have pivoted?
could you not have pivoted?
could they not have pivoted? 	could I not have been pivoting?
could you not have been pivoting?
could she not have been pivoting?
could we not have been pivoting?
could you not have been pivoting?
could they not have been pivoting?