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 can't scare you can't scare he 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 he 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 he 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 he 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 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't I scare? can't you scare? can't he 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 he 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 he 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 he have been scaring? can't we have been scaring? can't you have been scaring? can't they have been scaring?