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 cannot frill you cannot frill he cannot frill we cannot frill you cannot frill they cannot frill	I cannot be frilling you cannot be frilling he cannot be frilling we cannot be frilling you cannot be frilling they cannot be frilling
Perfect	V-ing perfect
I cannot have frilled you cannot have frilled he cannot have frilled we cannot have frilled you cannot have frilled they cannot have frilled	I cannot have been frilling you cannot have been frilling he cannot have been frilling we cannot have been frilling you cannot have been frilling they cannot 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 I not frill? can you not frill? can he not frill? can we not frill? can you not frill? can they not frill?	can I not be frilling? can you not be frilling? can he not be frilling? can we not be frilling? can you not be frilling? can they not be frilling?
Perfect	V-ing perfect
can I not have frilled? can you not have frilled? can he not have frilled? can we not have frilled? can you not have frilled? can they not have frilled?	can I not have been frilling? can you not have been frilling? can he not have been frilling? can we not have been frilling? can you not have been frilling? can they not have been frilling?