English verb conjugation
CAN PRESENT

Regular verb: present - presented - presented

Affirmation

Simple form	V-ing form
I can present you can present he can present we can present you can present they can present	I can be presenting you can be presenting he 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 he 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 he 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 can't present you can't present he can't present we can't present you can't present they can't present	I can't be presenting you can't be presenting he can't be presenting we can't be presenting you can't be presenting they can't be presenting
Perfect	V-ing perfect
I can't have presented you can't have presented he can't have presented we can't have presented you can't have presented they can't have presented	I can't have been presenting you can't have been presenting he can't have been presenting we can't have been presenting you can't have been presenting they can't have been presenting

Interrogative form

Simple form	V-ing form
can I present? can you present? can he present? can we present? can you present? can they present?	can I be presenting? can you be presenting? can he 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 he 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 he 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't I present? can't you present? can't he present? can't we present? can't you present? can't they present?	can't I be presenting? can't you be presenting? can't he be presenting? can't we be presenting? can't you be presenting? can't they be presenting?
Perfect	V-ing perfect
can't I have presented? can't you have presented? can't he have presented? can't we have presented? can't you have presented? can't they have presented?	can't I have been presenting? can't you have been presenting? can't he have been presenting? can't we have been presenting? can't you have been presenting? can't they have been presenting?