I can intensify you can intensify he can intensify we can intensify you can intensify they can intensify
V-ing form
I can be intensifying you can be intensifying he can be intensifying we can be intensifying you can be intensifying they can be intensifying
Perfect
I can have intensified you can have intensified he can have intensified we can have intensified you can have intensified they can have intensified
V-ing perfect
I can have been intensifying you can have been intensifying he can have been intensifying we can have been intensifying you can have been intensifying they can have been intensifying
Negation
Simple form
I cannot intensify you cannot intensify he cannot intensify we cannot intensify you cannot intensify they cannot intensify
V-ing form
I cannot be intensifying you cannot be intensifying he cannot be intensifying we cannot be intensifying you cannot be intensifying they cannot be intensifying
Perfect
I cannot have intensified you cannot have intensified he cannot have intensified we cannot have intensified you cannot have intensified they cannot have intensified
V-ing perfect
I cannot have been intensifying you cannot have been intensifying he cannot have been intensifying we cannot have been intensifying you cannot have been intensifying they cannot have been intensifying
Interrogative form
Simple form
can I intensify? can you intensify? can he intensify? can we intensify? can you intensify? can they intensify?
V-ing form
can I be intensifying? can you be intensifying? can he be intensifying? can we be intensifying? can you be intensifying? can they be intensifying?
Perfect
can I have intensified? can you have intensified? can he have intensified? can we have intensified? can you have intensified? can they have intensified?
V-ing perfect
can I have been intensifying? can you have been intensifying? can he have been intensifying? can we have been intensifying? can you have been intensifying? can they have been intensifying?
Interro-negative form
Simple form
can I not intensify? can you not intensify? can he not intensify? can we not intensify? can you not intensify? can they not intensify?
V-ing form
can I not be intensifying? can you not be intensifying? can he not be intensifying? can we not be intensifying? can you not be intensifying? can they not be intensifying?
Perfect
can I not have intensified? can you not have intensified? can he not have intensified? can we not have intensified? can you not have intensified? can they not have intensified?
V-ing perfect
can I not have been intensifying? can you not have been intensifying? can he not have been intensifying? can we not have been intensifying? can you not have been intensifying? can they not have been intensifying?