English verb conjugation CAN CRUMPLE

Regular verb: crumple - crumpled - crumpled

Affirmation

Simple form

I can crumple
you can crumple
she can crumple
we can crumple
you can crumple
they can crumple

V-ing form

I can be crumpling
you can be crumpling
she can be crumpling
we can be crumpling
you can be crumpling
they can be crumpling

Perfect

I can have crumpled
you can have crumpled
she can have crumpled
we can have crumpled
you can have crumpled
they can have crumpled

V-ing perfect

I can have been crumpling
you can have been crumpling
she can have been crumpling
we can have been crumpling
you can have been crumpling
they can have been crumpling

Negation

Simple form

I can't crumple
you can't crumple
she can't crumple
we can't crumple
you can't crumple
they can't crumple

V-ing form

I can't be crumpling
you can't be crumpling
she can't be crumpling
we can't be crumpling
you can't be crumpling
they can't be crumpling

Perfect

I can't have crumpled
you can't have crumpled
she can't have crumpled
we can't have crumpled
you can't have crumpled
they can't have crumpled

V-ing perfect

I can't have been crumpling
you can't have been crumpling
she can't have been crumpling
we can't have been crumpling
you can't have been crumpling
they can't have been crumpling

Interrogative form

Simple form

can I crumple?
can you crumple?
can she crumple?
can we crumple?
can you crumple?
can they crumple?

V-ing form

can I be crumpling?
can you be crumpling?
can she be crumpling?
can we be crumpling?
can you be crumpling?
can they be crumpling?

Perfect

can I have crumpled?
can you have crumpled?
can she have crumpled?
can we have crumpled?
can you have crumpled?
can they have crumpled?

V-ing perfect

can I have been crumpling?
can you have been crumpling?
can she have been crumpling?
can we have been crumpling?
can you have been crumpling?
can they have been crumpling?

Interro-negative form

Simple form

can't I crumple?
can't you crumple?
can't she crumple?
can't we crumple?
can't you crumple?
can't they crumple?

V-ing form

can't I be crumpling?
can't you be crumpling?
can't she be crumpling?
can't we be crumpling?
can't you be crumpling?
can't they be crumpling?

Perfect

can't I have crumpled?
can't you have crumpled?
can't she have crumpled?
can't we have crumpled?
can't you have crumpled?
can't they have crumpled?

V-ing perfect

can't I have been crumpling?
can't you have been crumpling?
can't she have been crumpling?
can't we have been crumpling?
can't you have been crumpling?
can't they have been crumpling?

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