could actuate
Regular verb: actuate - actuated- actuated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could actuate
you could actuate
he could actuate
we could actuate
you could actuate
they could actuate 	I could be actuating
you could be actuating
he could be actuating
we could be actuating
you could be actuating
they could be actuating	I could have actuated
you could have actuated
he could have actuated
we could have actuated
you could have actuated
they could have actuated	I could have been actuating
you could have been actuating
he could have been actuating
we could have been actuating
you could have been actuating
they could have been actuating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't actuate
you couldn't actuate
he couldn't actuate
we couldn't actuate
you couldn't actuate
they couldn't actuate 	I couldn't be actuating
you couldn't be actuating
he couldn't be actuating
we couldn't be actuating
you couldn't be actuating
they couldn't be actuating	I couldn't have actuated
you couldn't have actuated
he couldn't have actuated
we couldn't have actuated
you couldn't have actuated
they couldn't have actuated	I couldn't have been actuating
you couldn't have been actuating
he couldn't have been actuating
we couldn't have been actuating
you couldn't have been actuating
they couldn't have been actuating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I actuate?
could you actuate?
could he actuate?
could we actuate?
could you actuate?
could they actuate? 	could I be actuating?
could you be actuating?
could he be actuating?
could we be actuating?
could you be actuating?
could they be actuating? 	could I have actuated?
could you have actuated?
could he have actuated?
could we have actuated?
could you have actuated?
could they have actuated? 	could I have been actuating?
could you have been actuating?
could he have been actuating?
could we have been actuating?
could you have been actuating?
could they have been actuating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I actuate?
couldn't you actuate?
couldn't he actuate?
couldn't we actuate?
couldn't you actuate?
couldn't they actuate? 	couldn't I be actuating?
couldn't you be actuating?
couldn't he be actuating?
couldn't we be actuating?
couldn't you be actuating?
couldn't they be actuating? 	couldn't I have actuated?
couldn't you have actuated?
couldn't he have actuated?
couldn't we have actuated?
couldn't you have actuated?
couldn't they have actuated? 	couldn't I have been actuating?
couldn't you have been actuating?
couldn't he have been actuating?
couldn't we have been actuating?
couldn't you have been actuating?
couldn't they have been actuating?