SIMPLE PRESENT
Affirmative
- I refer
- you refer
- she/he/it refers
- we refer
- you refer
- they refer
Negative
- I do not refer
- you do not refer
- she/he/it does not refer
- we do not refer
- you do not refer
- they do not refer
Interrogative
- do I refer ?
- do you refer ?
- does she/he/it refer ?
- do we refer ?
- do you refer ?
- do they refer ?
Negative - Interrogative
- do I not refer ?
- do you not refer ?
- does she/he/it not refer ?
- do we not refer ?
- do you not refer ?
- do they not refer ?
PRESENT CONTINUOUS
Affirmative
- I am referring
- you are referring
- she/he/it is referring
- we are referring
- you are referring
- they are referring
Negative
- I am not referring
- you are not referring
- she/he/it is not referring
- we are not referring
- you are not referring
- they are not referring
Interrogative
- am I referring ?
- are you referring ?
- is she/he/it referring ?
- are we referring ?
- are you referring ?
- are they referring ?
Negative - Interrogative
- am I not referring ?
- are you not referring ?
- is she/he/it not referring ?
- are we not referring ?
- are you not referring ?
- are they not referring ?
SIMPLE PAST
Affirmative
- I referred
- you referred
- she/he/it referred
- we referred
- you referred
- they referred
Negative
- I did not refer
- you did not refer
- she/he/it did not refer
- we did not refer
- you did not refer
- they did not refer
Interrogative
- did I refer ?
- did you refer ?
- did she/he/it refer ?
- did we refer ?
- did you refer ?
- did they refer ?
Negative - Interrogative
- did I not refer ?
- did you not refer ?
- did she/he/it not refer ?
- did we not refer ?
- did you not refer ?
- did they not refer ?
PRESENT PERFECT
Affirmative
- I have referred
- you have referred
- she/he/it has referred
- we have referred
- you have referred
- they have referred
Negative
- I have not referred
- you have not referred
- she/he/it has not referred
- we have not referred
- you have not referred
- they have not referred
Interrogative
- have I referred ?
- have you referred ?
- has she/he/it referred ?
- have we referred ?
- have you referred ?
- have they referred ?
Negative - Interrogative
- have I not referred ?
- have you not referred ?
- has she/he/it not referred ?
- have we not referred ?
- have you not referred ?
- have they not referred ?
PAST CONTINUOUS
Affirmative
- I was referring
- you were referring
- she/he/it was referring
- we were referring
- you were referring
- they were referring
Negative
- I was not referring
- you were not referring
- she/he/it was not referring
- you were not referring
- you were not referring
- they were not referring
Interrogative
- was I referring ?
- were you referring ?
- was she/he/it referring ?
- were we referring ?
- were you referring ?
- were they referring ?
Negative - Interrogative
- was I not referring ?
- were you not referring ?
- was she/he/it not referring ?
- were we not referring ?
- were you not referring ?
- were they not referring ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been referring
- you have been referring
- she/he/it has been referring
- we have been referring
- you have been referring
- they have been referring
Negative
- I have not been referring
- you have not been referring
- she/he/it has not been referring
- we have not been referring
- you have not been referring
- they have not been referring
Interrogative
- have I been referring ?
- have you been referring ?
- has she/he/it been referring ?
- have we been referring ?
- have you been referring ?
- have they been referring ?
Negative - Interrogative
- have I not been referring ?
- have you not been referring ?
- has she/he/it not been referring ?
- have we not been referring ?
- have you not been referring ?
- have they not been referring ?
PAST PERFECT
Affirmative
- I had referred
- you had referred
- she/he/it had referred
- we had referred
- you had referred
- they had referred
Negative
- I had not referred
- you had not referred
- she/he/it had not referred
- we had not referred
- you had not referred
- they had not referred
Interrogative
- had I referred ?
- had you referred ?
- had she/he/it referred ?
- had we referred ?
- had you referred ?
- had they referred ?
Negative - Interrogative
- had I not referred ?
- had you not referred ?
- had she/he/it not referred ?
- had we not referred ?
- had you not referred ?
- had they not referred ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been referring
- you had been referring
- she/he/it had been referring
- we had been referring
- you had been referring
- they had been referring
Negative
- I had not been referring
- you had not been referring
- she/he/it had not been referring
- we had not been referring
- you had not been referring
- they had not been referring
Interrogative
- had I been referring ?
- had you been referring ?
- had she/he/it been referring ?
- had we been referring ?
- had you been referring ?
- had they been referring ?
Negative - Interrogative
- had I not been referring ?
- had you not been referring ?
- had she/he/it not been referring ?
- had we not been referring ?
- had you not been referring ?
- had they not been referring ?