Warning, this verb may not exist. Conjugation is given as example.
Indicative
Present
I crumple crumple you crumple crumple he crumple crumples we crumple crumple you crumple crumple they crumple crumple
Present continuous
I am crumple crumpling you are crumple crumpling he is crumple crumpling we are crumple crumpling you are crumple crumpling they are crumple crumpling
Preterite
I crumple crumpled you crumple crumpled he crumple crumpled we crumple crumpled you crumple crumpled they crumple crumpled
Preterite continuous
I was crumple crumpling you were crumple crumpling he was crumple crumpling we were crumple crumpling you were crumple crumpling they were crumple crumpling
Present perfect
I have crumple crumpled you have crumple crumpled he has crumple crumpled we have crumple crumpled you have crumple crumpled they have crumple crumpled
Present perfect continuous
I have been crumple crumpling you have been crumple crumpling he has been crumple crumpling we have been crumple crumpling you have been crumple crumpling they have been crumple crumpling
Pluperfect
I had crumple crumpled you had crumple crumpled he had crumple crumpled we had crumple crumpled you had crumple crumpled they had crumple crumpled
Pluperfect continuous
I had been crumple crumpling you had been crumple crumpling he had been crumple crumpling we had been crumple crumpling you had been crumple crumpling they had been crumple crumpling
Future
I will crumple crumple you will crumple crumple he will crumple crumple we will crumple crumple you will crumple crumple they will crumple crumple
Future continuous
I will be crumple crumpling you will be crumple crumpling he will be crumple crumpling we will be crumple crumpling you will be crumple crumpling they will be crumple crumpling
Future perfect
I will have crumple crumpled you will have crumple crumpled he will have crumple crumpled we will have crumple crumpled you will have crumple crumpled they will have crumple crumpled
Future perfect continuous
I will have been crumple crumpling you will have been crumple crumpling he will have been crumple crumpling we will have been crumple crumpling you will have been crumple crumpling they will have been crumple crumpling
Conditional
Present
I would crumple crumple you would crumple crumple he would crumple crumple we would crumple crumple you would crumple crumple they would crumple crumple
Present continuous
I would be crumple crumpling you would be crumple crumpling he would be crumple crumpling we would be crumple crumpling you would be crumple crumpling they would be crumple crumpling
Past
I would have crumple crumpled you would have crumple crumpled he would have crumple crumpled we would have crumple crumpled you would have crumple crumpled they would have crumple crumpled
Past continuous
I would have been crumple crumpling you would have been crumple crumpling he would have been crumple crumpling we would have been crumple crumpling you would have been crumple crumpling they would have been crumple crumpling