English verb conjugation COULD BERTH

Regular verb: berth - berthed - berthed

Affirmation

Simple form

I could berth
you could berth
he could berth
we could berth
you could berth
they could berth

V-ing form

I could be berthing
you could be berthing
he could be berthing
we could be berthing
you could be berthing
they could be berthing

Perfect

I could have berthed
you could have berthed
he could have berthed
we could have berthed
you could have berthed
they could have berthed

V-ing perfect

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

Negation

Simple form

I could not berth
you could not berth
he could not berth
we could not berth
you could not berth
they could not berth

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I berth?
could you berth?
could he berth?
could we berth?
could you berth?
could they berth?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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