English verb conjugation CAN BUTTRESS

Regular verb: buttress - buttressed - buttressed

Affirmation

Simple form

I can buttress
you can buttress
he can buttress
we can buttress
you can buttress
they can buttress

V-ing form

I can be buttressing
you can be buttressing
he can be buttressing
we can be buttressing
you can be buttressing
they can be buttressing

Perfect

I can have buttressed
you can have buttressed
he can have buttressed
we can have buttressed
you can have buttressed
they can have buttressed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I buttress?
can you buttress?
can he buttress?
can we buttress?
can you buttress?
can they buttress?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top