English verb conjugation
CAN PRESENT

Regular verb: present - presented - presented

Affirmation

Simple form	V-ing form
I can present you can present she can present we can present you can present they can present	I can be presenting you can be presenting she can be presenting we can be presenting you can be presenting they can be presenting
Perfect	V-ing perfect
I can have presented you can have presented she can have presented we can have presented you can have presented they can have presented	I can have been presenting you can have been presenting she can have been presenting we can have been presenting you can have been presenting they can have been presenting

Negation

Simple form	V-ing form
I cannot present you cannot present she cannot present we cannot present you cannot present they cannot present	I cannot be presenting you cannot be presenting she cannot be presenting we cannot be presenting you cannot be presenting they cannot be presenting
Perfect	V-ing perfect
I cannot have presented you cannot have presented she cannot have presented we cannot have presented you cannot have presented they cannot have presented	I cannot have been presenting you cannot have been presenting she cannot have been presenting we cannot have been presenting you cannot have been presenting they cannot have been presenting

Interrogative form

Simple form	V-ing form
can I present? can you present? can she present? can we present? can you present? can they present?	can I be presenting? can you be presenting? can she be presenting? can we be presenting? can you be presenting? can they be presenting?
Perfect	V-ing perfect
can I have presented? can you have presented? can she have presented? can we have presented? can you have presented? can they have presented?	can I have been presenting? can you have been presenting? can she have been presenting? can we have been presenting? can you have been presenting? can they have been presenting?

Interro-negative form

Simple form	V-ing form
can I not present? can you not present? can she not present? can we not present? can you not present? can they not present?	can I not be presenting? can you not be presenting? can she not be presenting? can we not be presenting? can you not be presenting? can they not be presenting?
Perfect	V-ing perfect
can I not have presented? can you not have presented? can she not have presented? can we not have presented? can you not have presented? can they not have presented?	can I not have been presenting? can you not have been presenting? can she not have been presenting? can we not have been presenting? can you not have been presenting? can they not have been presenting?