English verb conjugation COULD OUTDO

Irregular verb: outdo - outdid - outdone

Affirmation

Simple form

I could outdo
you could outdo
she could outdo
we could outdo
you could outdo
they could outdo

V-ing form

I could be outdoing
you could be outdoing
she could be outdoing
we could be outdoing
you could be outdoing
they could be outdoing

Perfect

I could have outdone
you could have outdone
she could have outdone
we could have outdone
you could have outdone
they could have outdone

V-ing perfect

I could have been outdoing
you could have been outdoing
she could have been outdoing
we could have been outdoing
you could have been outdoing
they could have been outdoing

Negation

Simple form

I could not outdo
you could not outdo
she could not outdo
we could not outdo
you could not outdo
they could not outdo

V-ing form

I could not be outdoing
you could not be outdoing
she could not be outdoing
we could not be outdoing
you could not be outdoing
they could not be outdoing

Perfect

I could not have outdone
you could not have outdone
she could not have outdone
we could not have outdone
you could not have outdone
they could not have outdone

V-ing perfect

I could not have been outdoing
you could not have been outdoing
she could not have been outdoing
we could not have been outdoing
you could not have been outdoing
they could not have been outdoing

Interrogative form

Simple form

could I outdo?
could you outdo?
could she outdo?
could we outdo?
could you outdo?
could they outdo?

V-ing form

could I be outdoing?
could you be outdoing?
could she be outdoing?
could we be outdoing?
could you be outdoing?
could they be outdoing?

Perfect

could I have outdone?
could you have outdone?
could she have outdone?
could we have outdone?
could you have outdone?
could they have outdone?

V-ing perfect

could I have been outdoing?
could you have been outdoing?
could she have been outdoing?
could we have been outdoing?
could you have been outdoing?
could they have been outdoing?

Interro-negative form

Simple form

could I not outdo?
could you not outdo?
could she not outdo?
could we not outdo?
could you not outdo?
could they not outdo?

V-ing form

could I not be outdoing?
could you not be outdoing?
could she not be outdoing?
could we not be outdoing?
could you not be outdoing?
could they not be outdoing?

Perfect

could I not have outdone?
could you not have outdone?
could she not have outdone?
could we not have outdone?
could you not have outdone?
could they not have outdone?

V-ing perfect

could I not have been outdoing?
could you not have been outdoing?
could she not have been outdoing?
could we not have been outdoing?
could you not have been outdoing?
could they not have been outdoing?

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