could gentrify
Regular verb: gentrify - gentrified- gentrified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could gentrify
you could gentrify
he could gentrify
we could gentrify
you could gentrify
they could gentrify 	I could be gentrifying
you could be gentrifying
he could be gentrifying
we could be gentrifying
you could be gentrifying
they could be gentrifying	I could have gentrified
you could have gentrified
he could have gentrified
we could have gentrified
you could have gentrified
they could have gentrified	I could have been gentrifying
you could have been gentrifying
he could have been gentrifying
we could have been gentrifying
you could have been gentrifying
they could have been gentrifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't gentrify
you couldn't gentrify
he couldn't gentrify
we couldn't gentrify
you couldn't gentrify
they couldn't gentrify 	I couldn't be gentrifying
you couldn't be gentrifying
he couldn't be gentrifying
we couldn't be gentrifying
you couldn't be gentrifying
they couldn't be gentrifying	I couldn't have gentrified
you couldn't have gentrified
he couldn't have gentrified
we couldn't have gentrified
you couldn't have gentrified
they couldn't have gentrified	I couldn't have been gentrifying
you couldn't have been gentrifying
he couldn't have been gentrifying
we couldn't have been gentrifying
you couldn't have been gentrifying
they couldn't have been gentrifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I gentrify?
could you gentrify?
could he gentrify?
could we gentrify?
could you gentrify?
could they gentrify? 	could I be gentrifying?
could you be gentrifying?
could he be gentrifying?
could we be gentrifying?
could you be gentrifying?
could they be gentrifying? 	could I have gentrified?
could you have gentrified?
could he have gentrified?
could we have gentrified?
could you have gentrified?
could they have gentrified? 	could I have been gentrifying?
could you have been gentrifying?
could he have been gentrifying?
could we have been gentrifying?
could you have been gentrifying?
could they have been gentrifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I gentrify?
couldn't you gentrify?
couldn't he gentrify?
couldn't we gentrify?
couldn't you gentrify?
couldn't they gentrify? 	couldn't I be gentrifying?
couldn't you be gentrifying?
couldn't he be gentrifying?
couldn't we be gentrifying?
couldn't you be gentrifying?
couldn't they be gentrifying? 	couldn't I have gentrified?
couldn't you have gentrified?
couldn't he have gentrified?
couldn't we have gentrified?
couldn't you have gentrified?
couldn't they have gentrified? 	couldn't I have been gentrifying?
couldn't you have been gentrifying?
couldn't he have been gentrifying?
couldn't we have been gentrifying?
couldn't you have been gentrifying?
couldn't they have been gentrifying?