can narrow
Regular verb: narrow - narrowed- narrowed

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