SIMPLE PRESENT
Affirmative
- I ski
- you ski
- she/he/it skis
- we ski
- you ski
- they ski
Negative
- I do not ski
- you do not ski
- she/he/it does not ski
- we do not ski
- you do not ski
- they do not ski
Interrogative
- do I ski ?
- do you ski ?
- does she/he/it ski ?
- do we ski ?
- do you ski ?
- do they ski ?
Negative - Interrogative
- do I not ski ?
- do you not ski ?
- does she/he/it not ski ?
- do we not ski ?
- do you not ski ?
- do they not ski ?
PRESENT CONTINUOUS
Affirmative
- I am skiing
- you are skiing
- she/he/it is skiing
- we are skiing
- you are skiing
- they are skiing
Negative
- I am not skiing
- you are not skiing
- she/he/it is not skiing
- we are not skiing
- you are not skiing
- they are not skiing
Interrogative
- am I skiing ?
- are you skiing ?
- is she/he/it skiing ?
- are we skiing ?
- are you skiing ?
- are they skiing ?
Negative - Interrogative
- am I not skiing ?
- are you not skiing ?
- is she/he/it not skiing ?
- are we not skiing ?
- are you not skiing ?
- are they not skiing ?
SIMPLE PAST
Affirmative
- I skied
- you skied
- she/he/it skied
- we skied
- you skied
- they skied
Negative
- I did not ski
- you did not ski
- she/he/it did not ski
- we did not ski
- you did not ski
- they did not ski
Interrogative
- did I ski ?
- did you ski ?
- did she/he/it ski ?
- did we ski ?
- did you ski ?
- did they ski ?
Negative - Interrogative
- did I not ski ?
- did you not ski ?
- did she/he/it not ski ?
- did we not ski ?
- did you not ski ?
- did they not ski ?
PRESENT PERFECT
Affirmative
- I have skied
- you have skied
- she/he/it has skied
- we have skied
- you have skied
- they have skied
Negative
- I have not skied
- you have not skied
- she/he/it has not skied
- we have not skied
- you have not skied
- they have not skied
Interrogative
- have I skied ?
- have you skied ?
- has she/he/it skied ?
- have we skied ?
- have you skied ?
- have they skied ?
Negative - Interrogative
- have I not skied ?
- have you not skied ?
- has she/he/it not skied ?
- have we not skied ?
- have you not skied ?
- have they not skied ?
PAST CONTINUOUS
Affirmative
- I was skiing
- you were skiing
- she/he/it was skiing
- we were skiing
- you were skiing
- they were skiing
Negative
- I was not skiing
- you were not skiing
- she/he/it was not skiing
- you were not skiing
- you were not skiing
- they were not skiing
Interrogative
- was I skiing ?
- were you skiing ?
- was she/he/it skiing ?
- were we skiing ?
- were you skiing ?
- were they skiing ?
Negative - Interrogative
- was I not skiing ?
- were you not skiing ?
- was she/he/it not skiing ?
- were we not skiing ?
- were you not skiing ?
- were they not skiing ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been skiing
- you have been skiing
- she/he/it has been skiing
- we have been skiing
- you have been skiing
- they have been skiing
Negative
- I have not been skiing
- you have not been skiing
- she/he/it has not been skiing
- we have not been skiing
- you have not been skiing
- they have not been skiing
Interrogative
- have I been skiing ?
- have you been skiing ?
- has she/he/it been skiing ?
- have we been skiing ?
- have you been skiing ?
- have they been skiing ?
Negative - Interrogative
- have I not been skiing ?
- have you not been skiing ?
- has she/he/it not been skiing ?
- have we not been skiing ?
- have you not been skiing ?
- have they not been skiing ?
PAST PERFECT
Affirmative
- I had skied
- you had skied
- she/he/it had skied
- we had skied
- you had skied
- they had skied
Negative
- I had not skied
- you had not skied
- she/he/it had not skied
- we had not skied
- you had not skied
- they had not skied
Interrogative
- had I skied ?
- had you skied ?
- had she/he/it skied ?
- had we skied ?
- had you skied ?
- had they skied ?
Negative - Interrogative
- had I not skied ?
- had you not skied ?
- had she/he/it not skied ?
- had we not skied ?
- had you not skied ?
- had they not skied ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been skiing
- you had been skiing
- she/he/it had been skiing
- we had been skiing
- you had been skiing
- they had been skiing
Negative
- I had not been skiing
- you had not been skiing
- she/he/it had not been skiing
- we had not been skiing
- you had not been skiing
- they had not been skiing
Interrogative
- had I been skiing ?
- had you been skiing ?
- had she/he/it been skiing ?
- had we been skiing ?
- had you been skiing ?
- had they been skiing ?
Negative - Interrogative
- had I not been skiing ?
- had you not been skiing ?
- had she/he/it not been skiing ?
- had we not been skiing ?
- had you not been skiing ?
- had they not been skiing ?