English verb conjugation CAN RUIN

Regular verb: ruin - ruined - ruined

Affirmation

Simple form

I can ruin
you can ruin
he can ruin
we can ruin
you can ruin
they can ruin

V-ing form

I can be ruining
you can be ruining
he can be ruining
we can be ruining
you can be ruining
they can be ruining

Perfect

I can have ruined
you can have ruined
he can have ruined
we can have ruined
you can have ruined
they can have ruined

V-ing perfect

I can have been ruining
you can have been ruining
he can have been ruining
we can have been ruining
you can have been ruining
they can have been ruining

Negation

Simple form

I can't ruin
you can't ruin
he can't ruin
we can't ruin
you can't ruin
they can't ruin

V-ing form

I can't be ruining
you can't be ruining
he can't be ruining
we can't be ruining
you can't be ruining
they can't be ruining

Perfect

I can't have ruined
you can't have ruined
he can't have ruined
we can't have ruined
you can't have ruined
they can't have ruined

V-ing perfect

I can't have been ruining
you can't have been ruining
he can't have been ruining
we can't have been ruining
you can't have been ruining
they can't have been ruining

Interrogative form

Simple form

can I ruin?
can you ruin?
can he ruin?
can we ruin?
can you ruin?
can they ruin?

V-ing form

can I be ruining?
can you be ruining?
can he be ruining?
can we be ruining?
can you be ruining?
can they be ruining?

Perfect

can I have ruined?
can you have ruined?
can he have ruined?
can we have ruined?
can you have ruined?
can they have ruined?

V-ing perfect

can I have been ruining?
can you have been ruining?
can he have been ruining?
can we have been ruining?
can you have been ruining?
can they have been ruining?

Interro-negative form

Simple form

can't I ruin?
can't you ruin?
can't he ruin?
can't we ruin?
can't you ruin?
can't they ruin?

V-ing form

can't I be ruining?
can't you be ruining?
can't he be ruining?
can't we be ruining?
can't you be ruining?
can't they be ruining?

Perfect

can't I have ruined?
can't you have ruined?
can't he have ruined?
can't we have ruined?
can't you have ruined?
can't they have ruined?

V-ing perfect

can't I have been ruining?
can't you have been ruining?
can't he have been ruining?
can't we have been ruining?
can't you have been ruining?
can't they have been ruining?

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