English verb conjugation CAN UNDERTAKE

Irregular verb: undertake - undertook - undertaken

Affirmation

Simple form

I can undertake
you can undertake
she can undertake
we can undertake
you can undertake
they can undertake

V-ing form

I can be undertaking
you can be undertaking
she can be undertaking
we can be undertaking
you can be undertaking
they can be undertaking

Perfect

I can have undertaken
you can have undertaken
she can have undertaken
we can have undertaken
you can have undertaken
they can have undertaken

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I undertake?
can you undertake?
can she undertake?
can we undertake?
can you undertake?
can they undertake?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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