English verb conjugation CAN UNDER

Regular verb: under - undered - undered

Affirmation

Simple form

I can under
you can under
he can under
we can under
you can under
they can under

V-ing form

I can be undering
you can be undering
he can be undering
we can be undering
you can be undering
they can be undering

Perfect

I can have undered
you can have undered
he can have undered
we can have undered
you can have undered
they can have undered

V-ing perfect

I can have been undering
you can have been undering
he can have been undering
we can have been undering
you can have been undering
they can have been undering

Negation

Simple form

I can't under
you can't under
he can't under
we can't under
you can't under
they can't under

V-ing form

I can't be undering
you can't be undering
he can't be undering
we can't be undering
you can't be undering
they can't be undering

Perfect

I can't have undered
you can't have undered
he can't have undered
we can't have undered
you can't have undered
they can't have undered

V-ing perfect

I can't have been undering
you can't have been undering
he can't have been undering
we can't have been undering
you can't have been undering
they can't have been undering

Interrogative form

Simple form

can I under?
can you under?
can he under?
can we under?
can you under?
can they under?

V-ing form

can I be undering?
can you be undering?
can he be undering?
can we be undering?
can you be undering?
can they be undering?

Perfect

can I have undered?
can you have undered?
can he have undered?
can we have undered?
can you have undered?
can they have undered?

V-ing perfect

can I have been undering?
can you have been undering?
can he have been undering?
can we have been undering?
can you have been undering?
can they have been undering?

Interro-negative form

Simple form

can't I under?
can't you under?
can't he under?
can't we under?
can't you under?
can't they under?

V-ing form

can't I be undering?
can't you be undering?
can't he be undering?
can't we be undering?
can't you be undering?
can't they be undering?

Perfect

can't I have undered?
can't you have undered?
can't he have undered?
can't we have undered?
can't you have undered?
can't they have undered?

V-ing perfect

can't I have been undering?
can't you have been undering?
can't he have been undering?
can't we have been undering?
can't you have been undering?
can't they have been undering?

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