English verb conjugation CAN SURF

Regular verb: surf - surfed - surfed

Affirmation

Simple form

I can surf
you can surf
he can surf
we can surf
you can surf
they can surf

V-ing form

I can be surfing
you can be surfing
he can be surfing
we can be surfing
you can be surfing
they can be surfing

Perfect

I can have surfed
you can have surfed
he can have surfed
we can have surfed
you can have surfed
they can have surfed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I surf?
can you surf?
can he surf?
can we surf?
can you surf?
can they surf?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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