English verb conjugation
CAN BREATHE

Regular verb: breathe - breathed - breathed

Affirmation

Simple form	V-ing form
I can breathe you can breathe she can breathe we can breathe you can breathe they can breathe	I can be breathing you can be breathing she can be breathing we can be breathing you can be breathing they can be breathing
Perfect	V-ing perfect
I can have breathed you can have breathed she can have breathed we can have breathed you can have breathed they can have breathed	I can have been breathing you can have been breathing she can have been breathing we can have been breathing you can have been breathing they can have been breathing

Negation

Simple form	V-ing form
I cannot breathe you cannot breathe she cannot breathe we cannot breathe you cannot breathe they cannot breathe	I cannot be breathing you cannot be breathing she cannot be breathing we cannot be breathing you cannot be breathing they cannot be breathing
Perfect	V-ing perfect
I cannot have breathed you cannot have breathed she cannot have breathed we cannot have breathed you cannot have breathed they cannot have breathed	I cannot have been breathing you cannot have been breathing she cannot have been breathing we cannot have been breathing you cannot have been breathing they cannot have been breathing

Interrogative form

Simple form	V-ing form
can I breathe? can you breathe? can she breathe? can we breathe? can you breathe? can they breathe?	can I be breathing? can you be breathing? can she be breathing? can we be breathing? can you be breathing? can they be breathing?
Perfect	V-ing perfect
can I have breathed? can you have breathed? can she have breathed? can we have breathed? can you have breathed? can they have breathed?	can I have been breathing? can you have been breathing? can she have been breathing? can we have been breathing? can you have been breathing? can they have been breathing?

Interro-negative form

Simple form	V-ing form
can I not breathe? can you not breathe? can she not breathe? can we not breathe? can you not breathe? can they not breathe?	can I not be breathing? can you not be breathing? can she not be breathing? can we not be breathing? can you not be breathing? can they not be breathing?
Perfect	V-ing perfect
can I not have breathed? can you not have breathed? can she not have breathed? can we not have breathed? can you not have breathed? can they not have breathed?	can I not have been breathing? can you not have been breathing? can she not have been breathing? can we not have been breathing? can you not have been breathing? can they not have been breathing?