English verb conjugation
CAN CHIRP

Regular verb: chirp - chirped - chirped

Affirmation

Simple form	V-ing form
I can chirp you can chirp she can chirp we can chirp you can chirp they can chirp	I can be chirping you can be chirping she can be chirping we can be chirping you can be chirping they can be chirping
Perfect	V-ing perfect
I can have chirped you can have chirped she can have chirped we can have chirped you can have chirped they can have chirped	I can have been chirping you can have been chirping she can have been chirping we can have been chirping you can have been chirping they can have been chirping

Negation

Simple form	V-ing form
I can't chirp you can't chirp she can't chirp we can't chirp you can't chirp they can't chirp	I can't be chirping you can't be chirping she can't be chirping we can't be chirping you can't be chirping they can't be chirping
Perfect	V-ing perfect
I can't have chirped you can't have chirped she can't have chirped we can't have chirped you can't have chirped they can't have chirped	I can't have been chirping you can't have been chirping she can't have been chirping we can't have been chirping you can't have been chirping they can't have been chirping

Interrogative form

Simple form	V-ing form
can I chirp? can you chirp? can she chirp? can we chirp? can you chirp? can they chirp?	can I be chirping? can you be chirping? can she be chirping? can we be chirping? can you be chirping? can they be chirping?
Perfect	V-ing perfect
can I have chirped? can you have chirped? can she have chirped? can we have chirped? can you have chirped? can they have chirped?	can I have been chirping? can you have been chirping? can she have been chirping? can we have been chirping? can you have been chirping? can they have been chirping?

Interro-negative form

Simple form	V-ing form
can't I chirp? can't you chirp? can't she chirp? can't we chirp? can't you chirp? can't they chirp?	can't I be chirping? can't you be chirping? can't she be chirping? can't we be chirping? can't you be chirping? can't they be chirping?
Perfect	V-ing perfect
can't I have chirped? can't you have chirped? can't she have chirped? can't we have chirped? can't you have chirped? can't they have chirped?	can't I have been chirping? can't you have been chirping? can't she have been chirping? can't we have been chirping? can't you have been chirping? can't they have been chirping?