don't I intensify? don't you intensify? doesn't she intensify? don't we intensify? don't you intensify? don't they intensify?
Present continuous
am I not intensifying? aren't you intensifying? isn't she intensifying? aren't we intensifying? aren't you intensifying? aren't they intensifying?
Preterite
didn't I intensify? didn't you intensify? didn't she intensify? didn't we intensify? didn't you intensify? didn't they intensify?
Preterite continuous
wasn't I intensifying? weren't you intensifying? wasn't she intensifying? weren't we intensifying? weren't you intensifying? weren't they intensifying?
Present perfect
haven't I intensified? haven't you intensified? hasn't she intensified? haven't we intensified? haven't you intensified? haven't they intensified?
Present perfect continuous
haven't I been intensifying? haven't you been intensifying? hasn't she been intensifying? haven't we been intensifying? haven't you been intensifying? haven't they been intensifying?
Pluperfect
hadn't I intensified? hadn't you intensified? hadn't she intensified? hadn't we intensified? hadn't you intensified? hadn't they intensified?
Pluperfect continuous
hadn't I been intensifying? hadn't you been intensifying? hadn't she been intensifying? hadn't we been intensifying? hadn't you been intensifying? hadn't they been intensifying?
Future
won't I intensify? won't you intensify? won't she intensify? won't we intensify? won't you intensify? won't they intensify?
Future continuous
won't I be intensifying? won't you be intensifying? won't she be intensifying? won't we be intensifying? won't you be intensifying? won't they be intensifying?
Future perfect
won't I have intensified? won't you have intensified? won't she have intensified? won't we have intensified? won't you have intensified? won't they have intensified?
Future perfect continuous
won't I have been intensifying? won't you have been intensifying? won't she have been intensifying? won't we have been intensifying? won't you have been intensifying? won't they have been intensifying?
Conditional
Present
wouldn't I intensify? wouldn't you intensify? wouldn't she intensify? wouldn't we intensify? wouldn't you intensify? wouldn't they intensify?
Present continuous
wouldn't I be intensifying? wouldn't you be intensifying? wouldn't she be intensifying? wouldn't we be intensifying? wouldn't you be intensifying? wouldn't they be intensifying?
Past
wouldn't I have intensified? wouldn't you have intensified? wouldn't she have intensified? wouldn't we have intensified? wouldn't you have intensified? wouldn't they have intensified?
Past continuous
wouldn't I have been intensifying? wouldn't you have been intensifying? wouldn't she have been intensifying? wouldn't we have been intensifying? wouldn't you have been intensifying? wouldn't they have been intensifying?