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