English verb conjugation COULD BOAST

Regular verb: boast - boasted - boasted

Affirmation

Simple form

I could boast
you could boast
he could boast
we could boast
you could boast
they could boast

V-ing form

I could be boasting
you could be boasting
he could be boasting
we could be boasting
you could be boasting
they could be boasting

Perfect

I could have boasted
you could have boasted
he could have boasted
we could have boasted
you could have boasted
they could have boasted

V-ing perfect

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

Negation

Simple form

I could not boast
you could not boast
he could not boast
we could not boast
you could not boast
they could not boast

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I boast?
could you boast?
could he boast?
could we boast?
could you boast?
could they boast?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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