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 cannot catalyse
you cannot catalyse
he cannot catalyse
we cannot catalyse
you cannot catalyse
they cannot catalyse

V-ing form

I cannot be catalysing
you cannot be catalysing
he cannot be catalysing
we cannot be catalysing
you cannot be catalysing
they cannot be catalysing

Perfect

I cannot have catalysed
you cannot have catalysed
he cannot have catalysed
we cannot have catalysed
you cannot have catalysed
they cannot have catalysed

V-ing perfect

I cannot have been catalysing
you cannot have been catalysing
he cannot have been catalysing
we cannot have been catalysing
you cannot have been catalysing
they cannot 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 I not catalyse?
can you not catalyse?
can he not catalyse?
can we not catalyse?
can you not catalyse?
can they not catalyse?

V-ing form

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

Perfect

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

V-ing perfect

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

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