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