English verb conjugation COULD BUG

Regular verb: bug - bugged - bugged

Affirmation

Simple form

I could bug
you could bug
he could bug
we could bug
you could bug
they could bug

V-ing form

I could be bugging
you could be bugging
he could be bugging
we could be bugging
you could be bugging
they could be bugging

Perfect

I could have bugged
you could have bugged
he could have bugged
we could have bugged
you could have bugged
they could have bugged

V-ing perfect

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

Negation

Simple form

I couldn't bug
you couldn't bug
he couldn't bug
we couldn't bug
you couldn't bug
they couldn't bug

V-ing form

I couldn't be bugging
you couldn't be bugging
he couldn't be bugging
we couldn't be bugging
you couldn't be bugging
they couldn't be bugging

Perfect

I couldn't have bugged
you couldn't have bugged
he couldn't have bugged
we couldn't have bugged
you couldn't have bugged
they couldn't have bugged

V-ing perfect

I couldn't have been bugging
you couldn't have been bugging
he couldn't have been bugging
we couldn't have been bugging
you couldn't have been bugging
they couldn't have been bugging

Interrogative form

Simple form

could I bug?
could you bug?
could he bug?
could we bug?
could you bug?
could they bug?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I bug?
couldn't you bug?
couldn't he bug?
couldn't we bug?
couldn't you bug?
couldn't they bug?

V-ing form

couldn't I be bugging?
couldn't you be bugging?
couldn't he be bugging?
couldn't we be bugging?
couldn't you be bugging?
couldn't they be bugging?

Perfect

couldn't I have bugged?
couldn't you have bugged?
couldn't he have bugged?
couldn't we have bugged?
couldn't you have bugged?
couldn't they have bugged?

V-ing perfect

couldn't I have been bugging?
couldn't you have been bugging?
couldn't he have been bugging?
couldn't we have been bugging?
couldn't you have been bugging?
couldn't they have been bugging?

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