SIMPLE PRESENT
Affirmative
- I differentiate
- you differentiate
- she/he/it differentiates
- we differentiate
- you differentiate
- they differentiate
Negative
- I do not differentiate
- you do not differentiate
- she/he/it does not differentiate
- we do not differentiate
- you do not differentiate
- they do not differentiate
Interrogative
- do I differentiate ?
- do you differentiate ?
- does she/he/it differentiate ?
- do we differentiate ?
- do you differentiate ?
- do they differentiate ?
Negative - Interrogative
- do I not differentiate ?
- do you not differentiate ?
- does she/he/it not differentiate ?
- do we not differentiate ?
- do you not differentiate ?
- do they not differentiate ?
PRESENT CONTINUOUS
Affirmative
- I am differentiating
- you are differentiating
- she/he/it is differentiating
- we are differentiating
- you are differentiating
- they are differentiating
Negative
- I am not differentiating
- you are not differentiating
- she/he/it is not differentiating
- we are not differentiating
- you are not differentiating
- they are not differentiating
Interrogative
- am I differentiating ?
- are you differentiating ?
- is she/he/it differentiating ?
- are we differentiating ?
- are you differentiating ?
- are they differentiating ?
Negative - Interrogative
- am I not differentiating ?
- are you not differentiating ?
- is she/he/it not differentiating ?
- are we not differentiating ?
- are you not differentiating ?
- are they not differentiating ?
SIMPLE PAST
Affirmative
- I differentiated
- you differentiated
- she/he/it differentiated
- we differentiated
- you differentiated
- they differentiated
Negative
- I did not differentiate
- you did not differentiate
- she/he/it did not differentiate
- we did not differentiate
- you did not differentiate
- they did not differentiate
Interrogative
- did I differentiate ?
- did you differentiate ?
- did she/he/it differentiate ?
- did we differentiate ?
- did you differentiate ?
- did they differentiate ?
Negative - Interrogative
- did I not differentiate ?
- did you not differentiate ?
- did she/he/it not differentiate ?
- did we not differentiate ?
- did you not differentiate ?
- did they not differentiate ?
PRESENT PERFECT
Affirmative
- I have differentiated
- you have differentiated
- she/he/it has differentiated
- we have differentiated
- you have differentiated
- they have differentiated
Negative
- I have not differentiated
- you have not differentiated
- she/he/it has not differentiated
- we have not differentiated
- you have not differentiated
- they have not differentiated
Interrogative
- have I differentiated ?
- have you differentiated ?
- has she/he/it differentiated ?
- have we differentiated ?
- have you differentiated ?
- have they differentiated ?
Negative - Interrogative
- have I not differentiated ?
- have you not differentiated ?
- has she/he/it not differentiated ?
- have we not differentiated ?
- have you not differentiated ?
- have they not differentiated ?
PAST CONTINUOUS
Affirmative
- I was differentiating
- you were differentiating
- she/he/it was differentiating
- we were differentiating
- you were differentiating
- they were differentiating
Negative
- I was not differentiating
- you were not differentiating
- she/he/it was not differentiating
- you were not differentiating
- you were not differentiating
- they were not differentiating
Interrogative
- was I differentiating ?
- were you differentiating ?
- was she/he/it differentiating ?
- were we differentiating ?
- were you differentiating ?
- were they differentiating ?
Negative - Interrogative
- was I not differentiating ?
- were you not differentiating ?
- was she/he/it not differentiating ?
- were we not differentiating ?
- were you not differentiating ?
- were they not differentiating ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been differentiating
- you have been differentiating
- she/he/it has been differentiating
- we have been differentiating
- you have been differentiating
- they have been differentiating
Negative
- I have not been differentiating
- you have not been differentiating
- she/he/it has not been differentiating
- we have not been differentiating
- you have not been differentiating
- they have not been differentiating
Interrogative
- have I been differentiating ?
- have you been differentiating ?
- has she/he/it been differentiating ?
- have we been differentiating ?
- have you been differentiating ?
- have they been differentiating ?
Negative - Interrogative
- have I not been differentiating ?
- have you not been differentiating ?
- has she/he/it not been differentiating ?
- have we not been differentiating ?
- have you not been differentiating ?
- have they not been differentiating ?
PAST PERFECT
Affirmative
- I had differentiated
- you had differentiated
- she/he/it had differentiated
- we had differentiated
- you had differentiated
- they had differentiated
Negative
- I had not differentiated
- you had not differentiated
- she/he/it had not differentiated
- we had not differentiated
- you had not differentiated
- they had not differentiated
Interrogative
- had I differentiated ?
- had you differentiated ?
- had she/he/it differentiated ?
- had we differentiated ?
- had you differentiated ?
- had they differentiated ?
Negative - Interrogative
- had I not differentiated ?
- had you not differentiated ?
- had she/he/it not differentiated ?
- had we not differentiated ?
- had you not differentiated ?
- had they not differentiated ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been differentiating
- you had been differentiating
- she/he/it had been differentiating
- we had been differentiating
- you had been differentiating
- they had been differentiating
Negative
- I had not been differentiating
- you had not been differentiating
- she/he/it had not been differentiating
- we had not been differentiating
- you had not been differentiating
- they had not been differentiating
Interrogative
- had I been differentiating ?
- had you been differentiating ?
- had she/he/it been differentiating ?
- had we been differentiating ?
- had you been differentiating ?
- had they been differentiating ?
Negative - Interrogative
- had I not been differentiating ?
- had you not been differentiating ?
- had she/he/it not been differentiating ?
- had we not been differentiating ?
- had you not been differentiating ?
- had they not been differentiating ?