could equate
Regular verb: equate - equated- equated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could equate
you could equate
he could equate
we could equate
you could equate
they could equate 	I could be equating
you could be equating
he could be equating
we could be equating
you could be equating
they could be equating	I could have equated
you could have equated
he could have equated
we could have equated
you could have equated
they could have equated	I could have been equating
you could have been equating
he could have been equating
we could have been equating
you could have been equating
they could have been equating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't equate
you couldn't equate
he couldn't equate
we couldn't equate
you couldn't equate
they couldn't equate 	I couldn't be equating
you couldn't be equating
he couldn't be equating
we couldn't be equating
you couldn't be equating
they couldn't be equating	I couldn't have equated
you couldn't have equated
he couldn't have equated
we couldn't have equated
you couldn't have equated
they couldn't have equated	I couldn't have been equating
you couldn't have been equating
he couldn't have been equating
we couldn't have been equating
you couldn't have been equating
they couldn't have been equating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I equate?
could you equate?
could he equate?
could we equate?
could you equate?
could they equate? 	could I be equating?
could you be equating?
could he be equating?
could we be equating?
could you be equating?
could they be equating? 	could I have equated?
could you have equated?
could he have equated?
could we have equated?
could you have equated?
could they have equated? 	could I have been equating?
could you have been equating?
could he have been equating?
could we have been equating?
could you have been equating?
could they have been equating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I equate?
couldn't you equate?
couldn't he equate?
couldn't we equate?
couldn't you equate?
couldn't they equate? 	couldn't I be equating?
couldn't you be equating?
couldn't he be equating?
couldn't we be equating?
couldn't you be equating?
couldn't they be equating? 	couldn't I have equated?
couldn't you have equated?
couldn't he have equated?
couldn't we have equated?
couldn't you have equated?
couldn't they have equated? 	couldn't I have been equating?
couldn't you have been equating?
couldn't he have been equating?
couldn't we have been equating?
couldn't you have been equating?
couldn't they have been equating?