English verb conjugation
CAN INFLECT

Regular verb: inflect - inflected - inflected

Affirmation

Simple form	V-ing form
I can inflect you can inflect he can inflect we can inflect you can inflect they can inflect	I can be inflecting you can be inflecting he can be inflecting we can be inflecting you can be inflecting they can be inflecting
Perfect	V-ing perfect
I can have inflected you can have inflected he can have inflected we can have inflected you can have inflected they can have inflected	I can have been inflecting you can have been inflecting he can have been inflecting we can have been inflecting you can have been inflecting they can have been inflecting

Negation

Simple form	V-ing form
I can't inflect you can't inflect he can't inflect we can't inflect you can't inflect they can't inflect	I can't be inflecting you can't be inflecting he can't be inflecting we can't be inflecting you can't be inflecting they can't be inflecting
Perfect	V-ing perfect
I can't have inflected you can't have inflected he can't have inflected we can't have inflected you can't have inflected they can't have inflected	I can't have been inflecting you can't have been inflecting he can't have been inflecting we can't have been inflecting you can't have been inflecting they can't have been inflecting

Interrogative form

Simple form	V-ing form
can I inflect? can you inflect? can he inflect? can we inflect? can you inflect? can they inflect?	can I be inflecting? can you be inflecting? can he be inflecting? can we be inflecting? can you be inflecting? can they be inflecting?
Perfect	V-ing perfect
can I have inflected? can you have inflected? can he have inflected? can we have inflected? can you have inflected? can they have inflected?	can I have been inflecting? can you have been inflecting? can he have been inflecting? can we have been inflecting? can you have been inflecting? can they have been inflecting?

Interro-negative form

Simple form	V-ing form
can't I inflect? can't you inflect? can't he inflect? can't we inflect? can't you inflect? can't they inflect?	can't I be inflecting? can't you be inflecting? can't he be inflecting? can't we be inflecting? can't you be inflecting? can't they be inflecting?
Perfect	V-ing perfect
can't I have inflected? can't you have inflected? can't he have inflected? can't we have inflected? can't you have inflected? can't they have inflected?	can't I have been inflecting? can't you have been inflecting? can't he have been inflecting? can't we have been inflecting? can't you have been inflecting? can't they have been inflecting?