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