English verb conjugation
CAN STAY

Regular verb: stay - stayed - stayed

Affirmation

Simple form	V-ing form
I can stay you can stay she can stay we can stay you can stay they can stay	I can be staying you can be staying she can be staying we can be staying you can be staying they can be staying
Perfect	V-ing perfect
I can have stayed you can have stayed she can have stayed we can have stayed you can have stayed they can have stayed	I can have been staying you can have been staying she can have been staying we can have been staying you can have been staying they can have been staying

Negation

Simple form	V-ing form
I cannot stay you cannot stay she cannot stay we cannot stay you cannot stay they cannot stay	I cannot be staying you cannot be staying she cannot be staying we cannot be staying you cannot be staying they cannot be staying
Perfect	V-ing perfect
I cannot have stayed you cannot have stayed she cannot have stayed we cannot have stayed you cannot have stayed they cannot have stayed	I cannot have been staying you cannot have been staying she cannot have been staying we cannot have been staying you cannot have been staying they cannot have been staying

Interrogative form

Simple form	V-ing form
can I stay? can you stay? can she stay? can we stay? can you stay? can they stay?	can I be staying? can you be staying? can she be staying? can we be staying? can you be staying? can they be staying?
Perfect	V-ing perfect
can I have stayed? can you have stayed? can she have stayed? can we have stayed? can you have stayed? can they have stayed?	can I have been staying? can you have been staying? can she have been staying? can we have been staying? can you have been staying? can they have been staying?

Interro-negative form

Simple form	V-ing form
can I not stay? can you not stay? can she not stay? can we not stay? can you not stay? can they not stay?	can I not be staying? can you not be staying? can she not be staying? can we not be staying? can you not be staying? can they not be staying?
Perfect	V-ing perfect
can I not have stayed? can you not have stayed? can she not have stayed? can we not have stayed? can you not have stayed? can they not have stayed?	can I not have been staying? can you not have been staying? can she not have been staying? can we not have been staying? can you not have been staying? can they not have been staying?