SIMPLE PRESENT
Affirmative
- I refine
- you refine
- she/he/it refines
- we refine
- you refine
- they refine
Negative
- I do not refine
- you do not refine
- she/he/it does not refine
- we do not refine
- you do not refine
- they do not refine
Interrogative
- do I refine ?
- do you refine ?
- does she/he/it refine ?
- do we refine ?
- do you refine ?
- do they refine ?
Negative - Interrogative
- do I not refine ?
- do you not refine ?
- does she/he/it not refine ?
- do we not refine ?
- do you not refine ?
- do they not refine ?
PRESENT CONTINUOUS
Affirmative
- I am refining
- you are refining
- she/he/it is refining
- we are refining
- you are refining
- they are refining
Negative
- I am not refining
- you are not refining
- she/he/it is not refining
- we are not refining
- you are not refining
- they are not refining
Interrogative
- am I refining ?
- are you refining ?
- is she/he/it refining ?
- are we refining ?
- are you refining ?
- are they refining ?
Negative - Interrogative
- am I not refining ?
- are you not refining ?
- is she/he/it not refining ?
- are we not refining ?
- are you not refining ?
- are they not refining ?
SIMPLE PAST
Affirmative
- I refined
- you refined
- she/he/it refined
- we refined
- you refined
- they refined
Negative
- I did not refine
- you did not refine
- she/he/it did not refine
- we did not refine
- you did not refine
- they did not refine
Interrogative
- did I refine ?
- did you refine ?
- did she/he/it refine ?
- did we refine ?
- did you refine ?
- did they refine ?
Negative - Interrogative
- did I not refine ?
- did you not refine ?
- did she/he/it not refine ?
- did we not refine ?
- did you not refine ?
- did they not refine ?
PRESENT PERFECT
Affirmative
- I have refined
- you have refined
- she/he/it has refined
- we have refined
- you have refined
- they have refined
Negative
- I have not refined
- you have not refined
- she/he/it has not refined
- we have not refined
- you have not refined
- they have not refined
Interrogative
- have I refined ?
- have you refined ?
- has she/he/it refined ?
- have we refined ?
- have you refined ?
- have they refined ?
Negative - Interrogative
- have I not refined ?
- have you not refined ?
- has she/he/it not refined ?
- have we not refined ?
- have you not refined ?
- have they not refined ?
PAST CONTINUOUS
Affirmative
- I was refining
- you were refining
- she/he/it was refining
- we were refining
- you were refining
- they were refining
Negative
- I was not refining
- you were not refining
- she/he/it was not refining
- you were not refining
- you were not refining
- they were not refining
Interrogative
- was I refining ?
- were you refining ?
- was she/he/it refining ?
- were we refining ?
- were you refining ?
- were they refining ?
Negative - Interrogative
- was I not refining ?
- were you not refining ?
- was she/he/it not refining ?
- were we not refining ?
- were you not refining ?
- were they not refining ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been refining
- you have been refining
- she/he/it has been refining
- we have been refining
- you have been refining
- they have been refining
Negative
- I have not been refining
- you have not been refining
- she/he/it has not been refining
- we have not been refining
- you have not been refining
- they have not been refining
Interrogative
- have I been refining ?
- have you been refining ?
- has she/he/it been refining ?
- have we been refining ?
- have you been refining ?
- have they been refining ?
Negative - Interrogative
- have I not been refining ?
- have you not been refining ?
- has she/he/it not been refining ?
- have we not been refining ?
- have you not been refining ?
- have they not been refining ?
PAST PERFECT
Affirmative
- I had refined
- you had refined
- she/he/it had refined
- we had refined
- you had refined
- they had refined
Negative
- I had not refined
- you had not refined
- she/he/it had not refined
- we had not refined
- you had not refined
- they had not refined
Interrogative
- had I refined ?
- had you refined ?
- had she/he/it refined ?
- had we refined ?
- had you refined ?
- had they refined ?
Negative - Interrogative
- had I not refined ?
- had you not refined ?
- had she/he/it not refined ?
- had we not refined ?
- had you not refined ?
- had they not refined ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been refining
- you had been refining
- she/he/it had been refining
- we had been refining
- you had been refining
- they had been refining
Negative
- I had not been refining
- you had not been refining
- she/he/it had not been refining
- we had not been refining
- you had not been refining
- they had not been refining
Interrogative
- had I been refining ?
- had you been refining ?
- had she/he/it been refining ?
- had we been refining ?
- had you been refining ?
- had they been refining ?
Negative - Interrogative
- had I not been refining ?
- had you not been refining ?
- had she/he/it not been refining ?
- had we not been refining ?
- had you not been refining ?
- had they not been refining ?