English verb conjugation
CAN FRILL

Regular verb: frill - frilled - frilled

Affirmation

Simple form	V-ing form
I can frill you can frill he can frill we can frill you can frill they can frill	I can be frilling you can be frilling he can be frilling we can be frilling you can be frilling they can be frilling
Perfect	V-ing perfect
I can have frilled you can have frilled he can have frilled we can have frilled you can have frilled they can have frilled	I can have been frilling you can have been frilling he can have been frilling we can have been frilling you can have been frilling they can have been frilling

Negation

Simple form	V-ing form
I can't frill you can't frill he can't frill we can't frill you can't frill they can't frill	I can't be frilling you can't be frilling he can't be frilling we can't be frilling you can't be frilling they can't be frilling
Perfect	V-ing perfect
I can't have frilled you can't have frilled he can't have frilled we can't have frilled you can't have frilled they can't have frilled	I can't have been frilling you can't have been frilling he can't have been frilling we can't have been frilling you can't have been frilling they can't have been frilling

Interrogative form

Simple form	V-ing form
can I frill? can you frill? can he frill? can we frill? can you frill? can they frill?	can I be frilling? can you be frilling? can he be frilling? can we be frilling? can you be frilling? can they be frilling?
Perfect	V-ing perfect
can I have frilled? can you have frilled? can he have frilled? can we have frilled? can you have frilled? can they have frilled?	can I have been frilling? can you have been frilling? can he have been frilling? can we have been frilling? can you have been frilling? can they have been frilling?

Interro-negative form

Simple form	V-ing form
can't I frill? can't you frill? can't he frill? can't we frill? can't you frill? can't they frill?	can't I be frilling? can't you be frilling? can't he be frilling? can't we be frilling? can't you be frilling? can't they be frilling?
Perfect	V-ing perfect
can't I have frilled? can't you have frilled? can't he have frilled? can't we have frilled? can't you have frilled? can't they have frilled?	can't I have been frilling? can't you have been frilling? can't he have been frilling? can't we have been frilling? can't you have been frilling? can't they have been frilling?