SIMPLE PRESENT
Affirmative
- I base
- you base
- she/he/it bases
- we base
- you base
- they base
Negative
- I do not base
- you do not base
- she/he/it does not base
- we do not base
- you do not base
- they do not base
Interrogative
- do I base ?
- do you base ?
- does she/he/it base ?
- do we base ?
- do you base ?
- do they base ?
Negative - Interrogative
- do I not base ?
- do you not base ?
- does she/he/it not base ?
- do we not base ?
- do you not base ?
- do they not base ?
PRESENT CONTINUOUS
Affirmative
- I am basing
- you are basing
- she/he/it is basing
- we are basing
- you are basing
- they are basing
Negative
- I am not basing
- you are not basing
- she/he/it is not basing
- we are not basing
- you are not basing
- they are not basing
Interrogative
- am I basing ?
- are you basing ?
- is she/he/it basing ?
- are we basing ?
- are you basing ?
- are they basing ?
Negative - Interrogative
- am I not basing ?
- are you not basing ?
- is she/he/it not basing ?
- are we not basing ?
- are you not basing ?
- are they not basing ?
SIMPLE PAST
Affirmative
- I based
- you based
- she/he/it based
- we based
- you based
- they based
Negative
- I did not base
- you did not base
- she/he/it did not base
- we did not base
- you did not base
- they did not base
Interrogative
- did I base ?
- did you base ?
- did she/he/it base ?
- did we base ?
- did you base ?
- did they base ?
Negative - Interrogative
- did I not base ?
- did you not base ?
- did she/he/it not base ?
- did we not base ?
- did you not base ?
- did they not base ?
PRESENT PERFECT
Affirmative
- I have based
- you have based
- she/he/it has based
- we have based
- you have based
- they have based
Negative
- I have not based
- you have not based
- she/he/it has not based
- we have not based
- you have not based
- they have not based
Interrogative
- have I based ?
- have you based ?
- has she/he/it based ?
- have we based ?
- have you based ?
- have they based ?
Negative - Interrogative
- have I not based ?
- have you not based ?
- has she/he/it not based ?
- have we not based ?
- have you not based ?
- have they not based ?
PAST CONTINUOUS
Affirmative
- I was basing
- you were basing
- she/he/it was basing
- we were basing
- you were basing
- they were basing
Negative
- I was not basing
- you were not basing
- she/he/it was not basing
- you were not basing
- you were not basing
- they were not basing
Interrogative
- was I basing ?
- were you basing ?
- was she/he/it basing ?
- were we basing ?
- were you basing ?
- were they basing ?
Negative - Interrogative
- was I not basing ?
- were you not basing ?
- was she/he/it not basing ?
- were we not basing ?
- were you not basing ?
- were they not basing ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been basing
- you have been basing
- she/he/it has been basing
- we have been basing
- you have been basing
- they have been basing
Negative
- I have not been basing
- you have not been basing
- she/he/it has not been basing
- we have not been basing
- you have not been basing
- they have not been basing
Interrogative
- have I been basing ?
- have you been basing ?
- has she/he/it been basing ?
- have we been basing ?
- have you been basing ?
- have they been basing ?
Negative - Interrogative
- have I not been basing ?
- have you not been basing ?
- has she/he/it not been basing ?
- have we not been basing ?
- have you not been basing ?
- have they not been basing ?
PAST PERFECT
Affirmative
- I had based
- you had based
- she/he/it had based
- we had based
- you had based
- they had based
Negative
- I had not based
- you had not based
- she/he/it had not based
- we had not based
- you had not based
- they had not based
Interrogative
- had I based ?
- had you based ?
- had she/he/it based ?
- had we based ?
- had you based ?
- had they based ?
Negative - Interrogative
- had I not based ?
- had you not based ?
- had she/he/it not based ?
- had we not based ?
- had you not based ?
- had they not based ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been basing
- you had been basing
- she/he/it had been basing
- we had been basing
- you had been basing
- they had been basing
Negative
- I had not been basing
- you had not been basing
- she/he/it had not been basing
- we had not been basing
- you had not been basing
- they had not been basing
Interrogative
- had I been basing ?
- had you been basing ?
- had she/he/it been basing ?
- had we been basing ?
- had you been basing ?
- had they been basing ?
Negative - Interrogative
- had I not been basing ?
- had you not been basing ?
- had she/he/it not been basing ?
- had we not been basing ?
- had you not been basing ?
- had they not been basing ?