English verb conjugation CAN CATALYSE

Regular verb: catalyse - catalysed - catalysed

Affirmation

Simple form

I can catalyse
you can catalyse
he can catalyse
we can catalyse
you can catalyse
they can catalyse

V-ing form

I can be catalysing
you can be catalysing
he can be catalysing
we can be catalysing
you can be catalysing
they can be catalysing

Perfect

I can have catalysed
you can have catalysed
he can have catalysed
we can have catalysed
you can have catalysed
they can have catalysed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I catalyse?
can you catalyse?
can he catalyse?
can we catalyse?
can you catalyse?
can they catalyse?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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