English verb conjugation COULD TOMB

Regular verb: tomb - tombed - tombed

Affirmation

Simple form

I could tomb
you could tomb
he could tomb
we could tomb
you could tomb
they could tomb

V-ing form

I could be tombing
you could be tombing
he could be tombing
we could be tombing
you could be tombing
they could be tombing

Perfect

I could have tombed
you could have tombed
he could have tombed
we could have tombed
you could have tombed
they could have tombed

V-ing perfect

I could have been tombing
you could have been tombing
he could have been tombing
we could have been tombing
you could have been tombing
they could have been tombing

Negation

Simple form

I could not tomb
you could not tomb
he could not tomb
we could not tomb
you could not tomb
they could not tomb

V-ing form

I could not be tombing
you could not be tombing
he could not be tombing
we could not be tombing
you could not be tombing
they could not be tombing

Perfect

I could not have tombed
you could not have tombed
he could not have tombed
we could not have tombed
you could not have tombed
they could not have tombed

V-ing perfect

I could not have been tombing
you could not have been tombing
he could not have been tombing
we could not have been tombing
you could not have been tombing
they could not have been tombing

Interrogative form

Simple form

could I tomb?
could you tomb?
could he tomb?
could we tomb?
could you tomb?
could they tomb?

V-ing form

could I be tombing?
could you be tombing?
could he be tombing?
could we be tombing?
could you be tombing?
could they be tombing?

Perfect

could I have tombed?
could you have tombed?
could he have tombed?
could we have tombed?
could you have tombed?
could they have tombed?

V-ing perfect

could I have been tombing?
could you have been tombing?
could he have been tombing?
could we have been tombing?
could you have been tombing?
could they have been tombing?

Interro-negative form

Simple form

could I not tomb?
could you not tomb?
could he not tomb?
could we not tomb?
could you not tomb?
could they not tomb?

V-ing form

could I not be tombing?
could you not be tombing?
could he not be tombing?
could we not be tombing?
could you not be tombing?
could they not be tombing?

Perfect

could I not have tombed?
could you not have tombed?
could he not have tombed?
could we not have tombed?
could you not have tombed?
could they not have tombed?

V-ing perfect

could I not have been tombing?
could you not have been tombing?
could he not have been tombing?
could we not have been tombing?
could you not have been tombing?
could they not have been tombing?

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