English verb conjugation
CAN SCARE

Regular verb: scare - scared - scared

Affirmation

Simple form	V-ing form
I can scare you can scare she can scare we can scare you can scare they can scare	I can be scaring you can be scaring she 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 she 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 she 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 can't scare you can't scare she can't scare we can't scare you can't scare they can't scare	I can't be scaring you can't be scaring she can't be scaring we can't be scaring you can't be scaring they can't be scaring
Perfect	V-ing perfect
I can't have scared you can't have scared she can't have scared we can't have scared you can't have scared they can't have scared	I can't have been scaring you can't have been scaring she can't have been scaring we can't have been scaring you can't have been scaring they can't have been scaring

Interrogative form

Simple form	V-ing form
can I scare? can you scare? can she scare? can we scare? can you scare? can they scare?	can I be scaring? can you be scaring? can she 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 she 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 she 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't I scare? can't you scare? can't she scare? can't we scare? can't you scare? can't they scare?	can't I be scaring? can't you be scaring? can't she be scaring? can't we be scaring? can't you be scaring? can't they be scaring?
Perfect	V-ing perfect
can't I have scared? can't you have scared? can't she have scared? can't we have scared? can't you have scared? can't they have scared?	can't I have been scaring? can't you have been scaring? can't she have been scaring? can't we have been scaring? can't you have been scaring? can't they have been scaring?