English verb conjugation COULD BOB

Regular verb: bob - bobbed - bobbed

Affirmation

Simple form

I could bob
you could bob
she could bob
we could bob
you could bob
they could bob

V-ing form

I could be bobbing
you could be bobbing
she could be bobbing
we could be bobbing
you could be bobbing
they could be bobbing

Perfect

I could have bobbed
you could have bobbed
she could have bobbed
we could have bobbed
you could have bobbed
they could have bobbed

V-ing perfect

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

Negation

Simple form

I couldn't bob
you couldn't bob
she couldn't bob
we couldn't bob
you couldn't bob
they couldn't bob

V-ing form

I couldn't be bobbing
you couldn't be bobbing
she couldn't be bobbing
we couldn't be bobbing
you couldn't be bobbing
they couldn't be bobbing

Perfect

I couldn't have bobbed
you couldn't have bobbed
she couldn't have bobbed
we couldn't have bobbed
you couldn't have bobbed
they couldn't have bobbed

V-ing perfect

I couldn't have been bobbing
you couldn't have been bobbing
she couldn't have been bobbing
we couldn't have been bobbing
you couldn't have been bobbing
they couldn't have been bobbing

Interrogative form

Simple form

could I bob?
could you bob?
could she bob?
could we bob?
could you bob?
could they bob?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I bob?
couldn't you bob?
couldn't she bob?
couldn't we bob?
couldn't you bob?
couldn't they bob?

V-ing form

couldn't I be bobbing?
couldn't you be bobbing?
couldn't she be bobbing?
couldn't we be bobbing?
couldn't you be bobbing?
couldn't they be bobbing?

Perfect

couldn't I have bobbed?
couldn't you have bobbed?
couldn't she have bobbed?
couldn't we have bobbed?
couldn't you have bobbed?
couldn't they have bobbed?

V-ing perfect

couldn't I have been bobbing?
couldn't you have been bobbing?
couldn't she have been bobbing?
couldn't we have been bobbing?
couldn't you have been bobbing?
couldn't they have been bobbing?

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