English verb conjugation CAN UNDULATE

Regular verb: undulate - undulated - undulated

Affirmation

Simple form

I can undulate
you can undulate
she can undulate
we can undulate
you can undulate
they can undulate

V-ing form

I can be undulating
you can be undulating
she can be undulating
we can be undulating
you can be undulating
they can be undulating

Perfect

I can have undulated
you can have undulated
she can have undulated
we can have undulated
you can have undulated
they can have undulated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I undulate?
can you undulate?
can she undulate?
can we undulate?
can you undulate?
can they undulate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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