English verb conjugation
CAN INCREASE

Regular verb: increase - increased - increased

Affirmation

Simple form	V-ing form
I can increase you can increase he can increase we can increase you can increase they can increase	I can be increasing you can be increasing he can be increasing we can be increasing you can be increasing they can be increasing
Perfect	V-ing perfect
I can have increased you can have increased he can have increased we can have increased you can have increased they can have increased	I can have been increasing you can have been increasing he can have been increasing we can have been increasing you can have been increasing they can have been increasing

Negation

Simple form	V-ing form
I can't increase you can't increase he can't increase we can't increase you can't increase they can't increase	I can't be increasing you can't be increasing he can't be increasing we can't be increasing you can't be increasing they can't be increasing
Perfect	V-ing perfect
I can't have increased you can't have increased he can't have increased we can't have increased you can't have increased they can't have increased	I can't have been increasing you can't have been increasing he can't have been increasing we can't have been increasing you can't have been increasing they can't have been increasing

Interrogative form

Simple form	V-ing form
can I increase? can you increase? can he increase? can we increase? can you increase? can they increase?	can I be increasing? can you be increasing? can he be increasing? can we be increasing? can you be increasing? can they be increasing?
Perfect	V-ing perfect
can I have increased? can you have increased? can he have increased? can we have increased? can you have increased? can they have increased?	can I have been increasing? can you have been increasing? can he have been increasing? can we have been increasing? can you have been increasing? can they have been increasing?

Interro-negative form

Simple form	V-ing form
can't I increase? can't you increase? can't he increase? can't we increase? can't you increase? can't they increase?	can't I be increasing? can't you be increasing? can't he be increasing? can't we be increasing? can't you be increasing? can't they be increasing?
Perfect	V-ing perfect
can't I have increased? can't you have increased? can't he have increased? can't we have increased? can't you have increased? can't they have increased?	can't I have been increasing? can't you have been increasing? can't he have been increasing? can't we have been increasing? can't you have been increasing? can't they have been increasing?