English verb conjugation
CAN NARROW

Regular verb: narrow - narrowed - narrowed

Affirmation

Simple form	V-ing form
I can narrow you can narrow she can narrow we can narrow you can narrow they can narrow	I can be narrowing you can be narrowing she can be narrowing we can be narrowing you can be narrowing they can be narrowing
Perfect	V-ing perfect
I can have narrowed you can have narrowed she can have narrowed we can have narrowed you can have narrowed they can have narrowed	I can have been narrowing you can have been narrowing she can have been narrowing we can have been narrowing you can have been narrowing they can have been narrowing

Negation

Simple form	V-ing form
I can't narrow you can't narrow she can't narrow we can't narrow you can't narrow they can't narrow	I can't be narrowing you can't be narrowing she can't be narrowing we can't be narrowing you can't be narrowing they can't be narrowing
Perfect	V-ing perfect
I can't have narrowed you can't have narrowed she can't have narrowed we can't have narrowed you can't have narrowed they can't have narrowed	I can't have been narrowing you can't have been narrowing she can't have been narrowing we can't have been narrowing you can't have been narrowing they can't have been narrowing

Interrogative form

Simple form	V-ing form
can I narrow? can you narrow? can she narrow? can we narrow? can you narrow? can they narrow?	can I be narrowing? can you be narrowing? can she be narrowing? can we be narrowing? can you be narrowing? can they be narrowing?
Perfect	V-ing perfect
can I have narrowed? can you have narrowed? can she have narrowed? can we have narrowed? can you have narrowed? can they have narrowed?	can I have been narrowing? can you have been narrowing? can she have been narrowing? can we have been narrowing? can you have been narrowing? can they have been narrowing?

Interro-negative form

Simple form	V-ing form
can't I narrow? can't you narrow? can't she narrow? can't we narrow? can't you narrow? can't they narrow?	can't I be narrowing? can't you be narrowing? can't she be narrowing? can't we be narrowing? can't you be narrowing? can't they be narrowing?
Perfect	V-ing perfect
can't I have narrowed? can't you have narrowed? can't she have narrowed? can't we have narrowed? can't you have narrowed? can't they have narrowed?	can't I have been narrowing? can't you have been narrowing? can't she have been narrowing? can't we have been narrowing? can't you have been narrowing? can't they have been narrowing?