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