English verb conjugation
CAN SCARE

Regular verb: scare - scared - scared

Affirmation

Simple form	V-ing form
I can scare you can scare he can scare we can scare you can scare they can scare	I can be scaring you can be scaring he can be scaring we can be scaring you can be scaring they can be scaring
Perfect	V-ing perfect
I can have scared you can have scared he can have scared we can have scared you can have scared they can have scared	I can have been scaring you can have been scaring he can have been scaring we can have been scaring you can have been scaring they can have been scaring

Negation

Simple form	V-ing form
I cannot scare you cannot scare he cannot scare we cannot scare you cannot scare they cannot scare	I cannot be scaring you cannot be scaring he cannot be scaring we cannot be scaring you cannot be scaring they cannot be scaring
Perfect	V-ing perfect
I cannot have scared you cannot have scared he cannot have scared we cannot have scared you cannot have scared they cannot have scared	I cannot have been scaring you cannot have been scaring he cannot have been scaring we cannot have been scaring you cannot have been scaring they cannot have been scaring

Interrogative form

Simple form	V-ing form
can I scare? can you scare? can he scare? can we scare? can you scare? can they scare?	can I be scaring? can you be scaring? can he be scaring? can we be scaring? can you be scaring? can they be scaring?
Perfect	V-ing perfect
can I have scared? can you have scared? can he have scared? can we have scared? can you have scared? can they have scared?	can I have been scaring? can you have been scaring? can he have been scaring? can we have been scaring? can you have been scaring? can they have been scaring?

Interro-negative form

Simple form	V-ing form
can I not scare? can you not scare? can he not scare? can we not scare? can you not scare? can they not scare?	can I not be scaring? can you not be scaring? can he not be scaring? can we not be scaring? can you not be scaring? can they not be scaring?
Perfect	V-ing perfect
can I not have scared? can you not have scared? can he not have scared? can we not have scared? can you not have scared? can they not have scared?	can I not have been scaring? can you not have been scaring? can he not have been scaring? can we not have been scaring? can you not have been scaring? can they not have been scaring?