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 can't stare you can't stare he can't stare we can't stare you can't stare they can't stare	I can't be staring you can't be staring he can't be staring we can't be staring you can't be staring they can't be staring
Perfect	V-ing perfect
I can't have stared you can't have stared he can't have stared we can't have stared you can't have stared they can't have stared	I can't have been staring you can't have been staring he can't have been staring we can't have been staring you can't have been staring they can't 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't I stare? can't you stare? can't he stare? can't we stare? can't you stare? can't they stare?	can't I be staring? can't you be staring? can't he be staring? can't we be staring? can't you be staring? can't they be staring?
Perfect	V-ing perfect
can't I have stared? can't you have stared? can't he have stared? can't we have stared? can't you have stared? can't they have stared?	can't I have been staring? can't you have been staring? can't he have been staring? can't we have been staring? can't you have been staring? can't they have been staring?