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 cannot ruin
you cannot ruin
he cannot ruin
we cannot ruin
you cannot ruin
they cannot ruin

V-ing form

I cannot be ruining
you cannot be ruining
he cannot be ruining
we cannot be ruining
you cannot be ruining
they cannot be ruining

Perfect

I cannot have ruined
you cannot have ruined
he cannot have ruined
we cannot have ruined
you cannot have ruined
they cannot have ruined

V-ing perfect

I cannot have been ruining
you cannot have been ruining
he cannot have been ruining
we cannot have been ruining
you cannot have been ruining
they cannot 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 I not ruin?
can you not ruin?
can he not ruin?
can we not ruin?
can you not ruin?
can they not ruin?

V-ing form

can I not be ruining?
can you not be ruining?
can he not be ruining?
can we not be ruining?
can you not be ruining?
can they not be ruining?

Perfect

can I not have ruined?
can you not have ruined?
can he not have ruined?
can we not have ruined?
can you not have ruined?
can they not have ruined?

V-ing perfect

can I not have been ruining?
can you not have been ruining?
can he not have been ruining?
can we not have been ruining?
can you not have been ruining?
can they not have been ruining?

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