could present
Regular verb: present - presented- presented

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could present
you could present
he could present
we could present
you could present
they could present 	I could be presenting
you could be presenting
he could be presenting
we could be presenting
you could be presenting
they could be presenting	I could have presented
you could have presented
he could have presented
we could have presented
you could have presented
they could have presented	I could have been presenting
you could have been presenting
he could have been presenting
we could have been presenting
you could have been presenting
they could have been presenting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not present
you could not present
he could not present
we could not present
you could not present
they could not present 	I could not be presenting
you could not be presenting
he could not be presenting
we could not be presenting
you could not be presenting
they could not be presenting	I could not have presented
you could not have presented
he could not have presented
we could not have presented
you could not have presented
they could not have presented	I could not have been presenting
you could not have been presenting
he could not have been presenting
we could not have been presenting
you could not have been presenting
they could not have been presenting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I present?
could you present?
could he present?
could we present?
could you present?
could they present? 	could I be presenting?
could you be presenting?
could he be presenting?
could we be presenting?
could you be presenting?
could they be presenting? 	could I have presented?
could you have presented?
could he have presented?
could we have presented?
could you have presented?
could they have presented? 	could I have been presenting?
could you have been presenting?
could he have been presenting?
could we have been presenting?
could you have been presenting?
could they have been presenting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not present?
could you not present?
could he not present?
could we not present?
could you not present?
could they not present? 	could I not be presenting?
could you not be presenting?
could he not be presenting?
could we not be presenting?
could you not be presenting?
could they not be presenting? 	could I not have presented?
could you not have presented?
could he not have presented?
could we not have presented?
could you not have presented?
could they not have presented? 	could I not have been presenting?
could you not have been presenting?
could he not have been presenting?
could we not have been presenting?
could you not have been presenting?
could they not have been presenting?