English verb conjugation CAN ROLLER-SKATE

Regular verb: roller-skate - roller-skated - roller-skated

Affirmation

Simple form

I can roller-skate
you can roller-skate
he can roller-skate
we can roller-skate
you can roller-skate
they can roller-skate

V-ing form

I can be roller-skating
you can be roller-skating
he can be roller-skating
we can be roller-skating
you can be roller-skating
they can be roller-skating

Perfect

I can have roller-skated
you can have roller-skated
he can have roller-skated
we can have roller-skated
you can have roller-skated
they can have roller-skated

V-ing perfect

I can have been roller-skating
you can have been roller-skating
he can have been roller-skating
we can have been roller-skating
you can have been roller-skating
they can have been roller-skating

Negation

Simple form

I can't roller-skate
you can't roller-skate
he can't roller-skate
we can't roller-skate
you can't roller-skate
they can't roller-skate

V-ing form

I can't be roller-skating
you can't be roller-skating
he can't be roller-skating
we can't be roller-skating
you can't be roller-skating
they can't be roller-skating

Perfect

I can't have roller-skated
you can't have roller-skated
he can't have roller-skated
we can't have roller-skated
you can't have roller-skated
they can't have roller-skated

V-ing perfect

I can't have been roller-skating
you can't have been roller-skating
he can't have been roller-skating
we can't have been roller-skating
you can't have been roller-skating
they can't have been roller-skating

Interrogative form

Simple form

can I roller-skate?
can you roller-skate?
can he roller-skate?
can we roller-skate?
can you roller-skate?
can they roller-skate?

V-ing form

can I be roller-skating?
can you be roller-skating?
can he be roller-skating?
can we be roller-skating?
can you be roller-skating?
can they be roller-skating?

Perfect

can I have roller-skated?
can you have roller-skated?
can he have roller-skated?
can we have roller-skated?
can you have roller-skated?
can they have roller-skated?

V-ing perfect

can I have been roller-skating?
can you have been roller-skating?
can he have been roller-skating?
can we have been roller-skating?
can you have been roller-skating?
can they have been roller-skating?

Interro-negative form

Simple form

can't I roller-skate?
can't you roller-skate?
can't he roller-skate?
can't we roller-skate?
can't you roller-skate?
can't they roller-skate?

V-ing form

can't I be roller-skating?
can't you be roller-skating?
can't he be roller-skating?
can't we be roller-skating?
can't you be roller-skating?
can't they be roller-skating?

Perfect

can't I have roller-skated?
can't you have roller-skated?
can't he have roller-skated?
can't we have roller-skated?
can't you have roller-skated?
can't they have roller-skated?

V-ing perfect

can't I have been roller-skating?
can't you have been roller-skating?
can't he have been roller-skating?
can't we have been roller-skating?
can't you have been roller-skating?
can't they have been roller-skating?

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