SIMPLE PRESENT
Affirmative
- I surf
- you surf
- she/he/it surfs
- we surf
- you surf
- they surf
Negative
- I do not surf
- you do not surf
- she/he/it does not surf
- we do not surf
- you do not surf
- they do not surf
Interrogative
- do I surf ?
- do you surf ?
- does she/he/it surf ?
- do we surf ?
- do you surf ?
- do they surf ?
Negative - Interrogative
- do I not surf ?
- do you not surf ?
- does she/he/it not surf ?
- do we not surf ?
- do you not surf ?
- do they not surf ?
PRESENT CONTINUOUS
Affirmative
- I am surfing
- you are surfing
- she/he/it is surfing
- we are surfing
- you are surfing
- they are surfing
Negative
- I am not surfing
- you are not surfing
- she/he/it is not surfing
- we are not surfing
- you are not surfing
- they are not surfing
Interrogative
- am I surfing ?
- are you surfing ?
- is she/he/it surfing ?
- are we surfing ?
- are you surfing ?
- are they surfing ?
Negative - Interrogative
- am I not surfing ?
- are you not surfing ?
- is she/he/it not surfing ?
- are we not surfing ?
- are you not surfing ?
- are they not surfing ?
SIMPLE PAST
Affirmative
- I surfed
- you surfed
- she/he/it surfed
- we surfed
- you surfed
- they surfed
Negative
- I did not surf
- you did not surf
- she/he/it did not surf
- we did not surf
- you did not surf
- they did not surf
Interrogative
- did I surf ?
- did you surf ?
- did she/he/it surf ?
- did we surf ?
- did you surf ?
- did they surf ?
Negative - Interrogative
- did I not surf ?
- did you not surf ?
- did she/he/it not surf ?
- did we not surf ?
- did you not surf ?
- did they not surf ?
PRESENT PERFECT
Affirmative
- I have surfed
- you have surfed
- she/he/it has surfed
- we have surfed
- you have surfed
- they have surfed
Negative
- I have not surfed
- you have not surfed
- she/he/it has not surfed
- we have not surfed
- you have not surfed
- they have not surfed
Interrogative
- have I surfed ?
- have you surfed ?
- has she/he/it surfed ?
- have we surfed ?
- have you surfed ?
- have they surfed ?
Negative - Interrogative
- have I not surfed ?
- have you not surfed ?
- has she/he/it not surfed ?
- have we not surfed ?
- have you not surfed ?
- have they not surfed ?
PAST CONTINUOUS
Affirmative
- I was surfing
- you were surfing
- she/he/it was surfing
- we were surfing
- you were surfing
- they were surfing
Negative
- I was not surfing
- you were not surfing
- she/he/it was not surfing
- you were not surfing
- you were not surfing
- they were not surfing
Interrogative
- was I surfing ?
- were you surfing ?
- was she/he/it surfing ?
- were we surfing ?
- were you surfing ?
- were they surfing ?
Negative - Interrogative
- was I not surfing ?
- were you not surfing ?
- was she/he/it not surfing ?
- were we not surfing ?
- were you not surfing ?
- were they not surfing ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been surfing
- you have been surfing
- she/he/it has been surfing
- we have been surfing
- you have been surfing
- they have been surfing
Negative
- I have not been surfing
- you have not been surfing
- she/he/it has not been surfing
- we have not been surfing
- you have not been surfing
- they have not been surfing
Interrogative
- have I been surfing ?
- have you been surfing ?
- has she/he/it been surfing ?
- have we been surfing ?
- have you been surfing ?
- have they been surfing ?
Negative - Interrogative
- have I not been surfing ?
- have you not been surfing ?
- has she/he/it not been surfing ?
- have we not been surfing ?
- have you not been surfing ?
- have they not been surfing ?
PAST PERFECT
Affirmative
- I had surfed
- you had surfed
- she/he/it had surfed
- we had surfed
- you had surfed
- they had surfed
Negative
- I had not surfed
- you had not surfed
- she/he/it had not surfed
- we had not surfed
- you had not surfed
- they had not surfed
Interrogative
- had I surfed ?
- had you surfed ?
- had she/he/it surfed ?
- had we surfed ?
- had you surfed ?
- had they surfed ?
Negative - Interrogative
- had I not surfed ?
- had you not surfed ?
- had she/he/it not surfed ?
- had we not surfed ?
- had you not surfed ?
- had they not surfed ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been surfing
- you had been surfing
- she/he/it had been surfing
- we had been surfing
- you had been surfing
- they had been surfing
Negative
- I had not been surfing
- you had not been surfing
- she/he/it had not been surfing
- we had not been surfing
- you had not been surfing
- they had not been surfing
Interrogative
- had I been surfing ?
- had you been surfing ?
- had she/he/it been surfing ?
- had we been surfing ?
- had you been surfing ?
- had they been surfing ?
Negative - Interrogative
- had I not been surfing ?
- had you not been surfing ?
- had she/he/it not been surfing ?
- had we not been surfing ?
- had you not been surfing ?
- had they not been surfing ?