English verb conjugation
COULD INTENSIFY

Regular verb: intensify - intensified - intensified

Affirmation

Simple form	V-ing form
I could intensify you could intensify he could intensify we could intensify you could intensify they could intensify	I could be intensifying you could be intensifying he could be intensifying we could be intensifying you could be intensifying they could be intensifying
Perfect	V-ing perfect
I could have intensified you could have intensified he could have intensified we could have intensified you could have intensified they could have intensified	I could have been intensifying you could have been intensifying he could have been intensifying we could have been intensifying you could have been intensifying they could have been intensifying

Negation

Simple form	V-ing form
I couldn't intensify you couldn't intensify he couldn't intensify we couldn't intensify you couldn't intensify they couldn't intensify	I couldn't be intensifying you couldn't be intensifying he couldn't be intensifying we couldn't be intensifying you couldn't be intensifying they couldn't be intensifying
Perfect	V-ing perfect
I couldn't have intensified you couldn't have intensified he couldn't have intensified we couldn't have intensified you couldn't have intensified they couldn't have intensified	I couldn't have been intensifying you couldn't have been intensifying he couldn't have been intensifying we couldn't have been intensifying you couldn't have been intensifying they couldn't have been intensifying

Interrogative form

Simple form	V-ing form
could I intensify? could you intensify? could he intensify? could we intensify? could you intensify? could they intensify?	could I be intensifying? could you be intensifying? could he be intensifying? could we be intensifying? could you be intensifying? could they be intensifying?
Perfect	V-ing perfect
could I have intensified? could you have intensified? could he have intensified? could we have intensified? could you have intensified? could they have intensified?	could I have been intensifying? could you have been intensifying? could he have been intensifying? could we have been intensifying? could you have been intensifying? could they have been intensifying?

Interro-negative form

Simple form	V-ing form
couldn't I intensify? couldn't you intensify? couldn't he intensify? couldn't we intensify? couldn't you intensify? couldn't they intensify?	couldn't I be intensifying? couldn't you be intensifying? couldn't he be intensifying? couldn't we be intensifying? couldn't you be intensifying? couldn't they be intensifying?
Perfect	V-ing perfect
couldn't I have intensified? couldn't you have intensified? couldn't he have intensified? couldn't we have intensified? couldn't you have intensified? couldn't they have intensified?	couldn't I have been intensifying? couldn't you have been intensifying? couldn't he have been intensifying? couldn't we have been intensifying? couldn't you have been intensifying? couldn't they have been intensifying?