I don't crumple you don't crumple he doesn't crumple we don't crumple you don't crumple they don't crumple
Present continuous
I'm not crumpling you aren't crumpling he isn't crumpling we aren't crumpling you aren't crumpling they aren't crumpling
Preterite
I didn't crumple you didn't crumple he didn't crumple we didn't crumple you didn't crumple they didn't crumple
Preterite continuous
I wasn't crumpling you weren't crumpling he wasn't crumpling we weren't crumpling you weren't crumpling they weren't crumpling
Present perfect
I haven't crumpled you haven't crumpled he hasn't crumpled we haven't crumpled you haven't crumpled they haven't crumpled
Present perfect continuous
I haven't been crumpling you haven't been crumpling he hasn't been crumpling we haven't been crumpling you haven't been crumpling they haven't been crumpling
Pluperfect
I hadn't crumpled you hadn't crumpled he hadn't crumpled we hadn't crumpled you hadn't crumpled they hadn't crumpled
Pluperfect continuous
I hadn't been crumpling you hadn't been crumpling he hadn't been crumpling we hadn't been crumpling you hadn't been crumpling they hadn't been crumpling
Future
I won't crumple you won't crumple he won't crumple we won't crumple you won't crumple they won't crumple
Future continuous
I won't be crumpling you won't be crumpling he won't be crumpling we won't be crumpling you won't be crumpling they won't be crumpling
Future perfect
I won't have crumpled you won't have crumpled he won't have crumpled we won't have crumpled you won't have crumpled they won't have crumpled
Future perfect continuous
I won't have been crumpling you won't have been crumpling he won't have been crumpling we won't have been crumpling you won't have been crumpling they won't have been crumpling
Conditional
Present
I wouldn't crumple you wouldn't crumple he wouldn't crumple we wouldn't crumple you wouldn't crumple they wouldn't crumple
Present continuous
I wouldn't be crumpling you wouldn't be crumpling he wouldn't be crumpling we wouldn't be crumpling you wouldn't be crumpling they wouldn't be crumpling
Past
I wouldn't have crumpled you wouldn't have crumpled he wouldn't have crumpled we wouldn't have crumpled you wouldn't have crumpled they wouldn't have crumpled
Past continuous
I wouldn't have been crumpling you wouldn't have been crumpling he wouldn't have been crumpling we wouldn't have been crumpling you wouldn't have been crumpling they wouldn't have been crumpling