English verb conjugation
CAN ENTERTAIN

Regular verb: entertain - entertained - entertained

Affirmation

Simple form	V-ing form
I can entertain you can entertain he can entertain we can entertain you can entertain they can entertain	I can be entertaining you can be entertaining he can be entertaining we can be entertaining you can be entertaining they can be entertaining
Perfect	V-ing perfect
I can have entertained you can have entertained he can have entertained we can have entertained you can have entertained they can have entertained	I can have been entertaining you can have been entertaining he can have been entertaining we can have been entertaining you can have been entertaining they can have been entertaining

Negation

Simple form	V-ing form
I cannot entertain you cannot entertain he cannot entertain we cannot entertain you cannot entertain they cannot entertain	I cannot be entertaining you cannot be entertaining he cannot be entertaining we cannot be entertaining you cannot be entertaining they cannot be entertaining
Perfect	V-ing perfect
I cannot have entertained you cannot have entertained he cannot have entertained we cannot have entertained you cannot have entertained they cannot have entertained	I cannot have been entertaining you cannot have been entertaining he cannot have been entertaining we cannot have been entertaining you cannot have been entertaining they cannot have been entertaining

Interrogative form

Simple form	V-ing form
can I entertain? can you entertain? can he entertain? can we entertain? can you entertain? can they entertain?	can I be entertaining? can you be entertaining? can he be entertaining? can we be entertaining? can you be entertaining? can they be entertaining?
Perfect	V-ing perfect
can I have entertained? can you have entertained? can he have entertained? can we have entertained? can you have entertained? can they have entertained?	can I have been entertaining? can you have been entertaining? can he have been entertaining? can we have been entertaining? can you have been entertaining? can they have been entertaining?

Interro-negative form

Simple form	V-ing form
can I not entertain? can you not entertain? can he not entertain? can we not entertain? can you not entertain? can they not entertain?	can I not be entertaining? can you not be entertaining? can he not be entertaining? can we not be entertaining? can you not be entertaining? can they not be entertaining?
Perfect	V-ing perfect
can I not have entertained? can you not have entertained? can he not have entertained? can we not have entertained? can you not have entertained? can they not have entertained?	can I not have been entertaining? can you not have been entertaining? can he not have been entertaining? can we not have been entertaining? can you not have been entertaining? can they not have been entertaining?