English verb conjugation
CAN STARE

Regular verb: stare - stared - stared

Affirmation

Simple form	V-ing form
I can stare you can stare he can stare we can stare you can stare they can stare	I can be staring you can be staring he can be staring we can be staring you can be staring they can be staring
Perfect	V-ing perfect
I can have stared you can have stared he can have stared we can have stared you can have stared they can have stared	I can have been staring you can have been staring he can have been staring we can have been staring you can have been staring they can have been staring

Negation

Simple form	V-ing form
I cannot stare you cannot stare he cannot stare we cannot stare you cannot stare they cannot stare	I cannot be staring you cannot be staring he cannot be staring we cannot be staring you cannot be staring they cannot be staring
Perfect	V-ing perfect
I cannot have stared you cannot have stared he cannot have stared we cannot have stared you cannot have stared they cannot have stared	I cannot have been staring you cannot have been staring he cannot have been staring we cannot have been staring you cannot have been staring they cannot have been staring

Interrogative form

Simple form	V-ing form
can I stare? can you stare? can he stare? can we stare? can you stare? can they stare?	can I be staring? can you be staring? can he be staring? can we be staring? can you be staring? can they be staring?
Perfect	V-ing perfect
can I have stared? can you have stared? can he have stared? can we have stared? can you have stared? can they have stared?	can I have been staring? can you have been staring? can he have been staring? can we have been staring? can you have been staring? can they have been staring?

Interro-negative form

Simple form	V-ing form
can I not stare? can you not stare? can he not stare? can we not stare? can you not stare? can they not stare?	can I not be staring? can you not be staring? can he not be staring? can we not be staring? can you not be staring? can they not be staring?
Perfect	V-ing perfect
can I not have stared? can you not have stared? can he not have stared? can we not have stared? can you not have stared? can they not have stared?	can I not have been staring? can you not have been staring? can he not have been staring? can we not have been staring? can you not have been staring? can they not have been staring?