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