English verb conjugation CAN COMBUST

Regular verb: combust - combusted - combusted

Affirmation

Simple form

I can combust
you can combust
she can combust
we can combust
you can combust
they can combust

V-ing form

I can be combusting
you can be combusting
she can be combusting
we can be combusting
you can be combusting
they can be combusting

Perfect

I can have combusted
you can have combusted
she can have combusted
we can have combusted
you can have combusted
they can have combusted

V-ing perfect

I can have been combusting
you can have been combusting
she can have been combusting
we can have been combusting
you can have been combusting
they can have been combusting

Negation

Simple form

I can't combust
you can't combust
she can't combust
we can't combust
you can't combust
they can't combust

V-ing form

I can't be combusting
you can't be combusting
she can't be combusting
we can't be combusting
you can't be combusting
they can't be combusting

Perfect

I can't have combusted
you can't have combusted
she can't have combusted
we can't have combusted
you can't have combusted
they can't have combusted

V-ing perfect

I can't have been combusting
you can't have been combusting
she can't have been combusting
we can't have been combusting
you can't have been combusting
they can't have been combusting

Interrogative form

Simple form

can I combust?
can you combust?
can she combust?
can we combust?
can you combust?
can they combust?

V-ing form

can I be combusting?
can you be combusting?
can she be combusting?
can we be combusting?
can you be combusting?
can they be combusting?

Perfect

can I have combusted?
can you have combusted?
can she have combusted?
can we have combusted?
can you have combusted?
can they have combusted?

V-ing perfect

can I have been combusting?
can you have been combusting?
can she have been combusting?
can we have been combusting?
can you have been combusting?
can they have been combusting?

Interro-negative form

Simple form

can't I combust?
can't you combust?
can't she combust?
can't we combust?
can't you combust?
can't they combust?

V-ing form

can't I be combusting?
can't you be combusting?
can't she be combusting?
can't we be combusting?
can't you be combusting?
can't they be combusting?

Perfect

can't I have combusted?
can't you have combusted?
can't she have combusted?
can't we have combusted?
can't you have combusted?
can't they have combusted?

V-ing perfect

can't I have been combusting?
can't you have been combusting?
can't she have been combusting?
can't we have been combusting?
can't you have been combusting?
can't they have been combusting?

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