SIMPLE PRESENT
Affirmative
- I double
- you double
- she/he/it doubles
- we double
- you double
- they double
Negative
- I do not double
- you do not double
- she/he/it does not double
- we do not double
- you do not double
- they do not double
Interrogative
- do I double ?
- do you double ?
- does she/he/it double ?
- do we double ?
- do you double ?
- do they double ?
Negative - Interrogative
- do I not double ?
- do you not double ?
- does she/he/it not double ?
- do we not double ?
- do you not double ?
- do they not double ?
PRESENT CONTINUOUS
Affirmative
- I am doubling
- you are doubling
- she/he/it is doubling
- we are doubling
- you are doubling
- they are doubling
Negative
- I am not doubling
- you are not doubling
- she/he/it is not doubling
- we are not doubling
- you are not doubling
- they are not doubling
Interrogative
- am I doubling ?
- are you doubling ?
- is she/he/it doubling ?
- are we doubling ?
- are you doubling ?
- are they doubling ?
Negative - Interrogative
- am I not doubling ?
- are you not doubling ?
- is she/he/it not doubling ?
- are we not doubling ?
- are you not doubling ?
- are they not doubling ?
SIMPLE PAST
Affirmative
- I doubled
- you doubled
- she/he/it doubled
- we doubled
- you doubled
- they doubled
Negative
- I did not double
- you did not double
- she/he/it did not double
- we did not double
- you did not double
- they did not double
Interrogative
- did I double ?
- did you double ?
- did she/he/it double ?
- did we double ?
- did you double ?
- did they double ?
Negative - Interrogative
- did I not double ?
- did you not double ?
- did she/he/it not double ?
- did we not double ?
- did you not double ?
- did they not double ?
PRESENT PERFECT
Affirmative
- I have doubled
- you have doubled
- she/he/it has doubled
- we have doubled
- you have doubled
- they have doubled
Negative
- I have not doubled
- you have not doubled
- she/he/it has not doubled
- we have not doubled
- you have not doubled
- they have not doubled
Interrogative
- have I doubled ?
- have you doubled ?
- has she/he/it doubled ?
- have we doubled ?
- have you doubled ?
- have they doubled ?
Negative - Interrogative
- have I not doubled ?
- have you not doubled ?
- has she/he/it not doubled ?
- have we not doubled ?
- have you not doubled ?
- have they not doubled ?
PAST CONTINUOUS
Affirmative
- I was doubling
- you were doubling
- she/he/it was doubling
- we were doubling
- you were doubling
- they were doubling
Negative
- I was not doubling
- you were not doubling
- she/he/it was not doubling
- you were not doubling
- you were not doubling
- they were not doubling
Interrogative
- was I doubling ?
- were you doubling ?
- was she/he/it doubling ?
- were we doubling ?
- were you doubling ?
- were they doubling ?
Negative - Interrogative
- was I not doubling ?
- were you not doubling ?
- was she/he/it not doubling ?
- were we not doubling ?
- were you not doubling ?
- were they not doubling ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been doubling
- you have been doubling
- she/he/it has been doubling
- we have been doubling
- you have been doubling
- they have been doubling
Negative
- I have not been doubling
- you have not been doubling
- she/he/it has not been doubling
- we have not been doubling
- you have not been doubling
- they have not been doubling
Interrogative
- have I been doubling ?
- have you been doubling ?
- has she/he/it been doubling ?
- have we been doubling ?
- have you been doubling ?
- have they been doubling ?
Negative - Interrogative
- have I not been doubling ?
- have you not been doubling ?
- has she/he/it not been doubling ?
- have we not been doubling ?
- have you not been doubling ?
- have they not been doubling ?
PAST PERFECT
Affirmative
- I had doubled
- you had doubled
- she/he/it had doubled
- we had doubled
- you had doubled
- they had doubled
Negative
- I had not doubled
- you had not doubled
- she/he/it had not doubled
- we had not doubled
- you had not doubled
- they had not doubled
Interrogative
- had I doubled ?
- had you doubled ?
- had she/he/it doubled ?
- had we doubled ?
- had you doubled ?
- had they doubled ?
Negative - Interrogative
- had I not doubled ?
- had you not doubled ?
- had she/he/it not doubled ?
- had we not doubled ?
- had you not doubled ?
- had they not doubled ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been doubling
- you had been doubling
- she/he/it had been doubling
- we had been doubling
- you had been doubling
- they had been doubling
Negative
- I had not been doubling
- you had not been doubling
- she/he/it had not been doubling
- we had not been doubling
- you had not been doubling
- they had not been doubling
Interrogative
- had I been doubling ?
- had you been doubling ?
- had she/he/it been doubling ?
- had we been doubling ?
- had you been doubling ?
- had they been doubling ?
Negative - Interrogative
- had I not been doubling ?
- had you not been doubling ?
- had she/he/it not been doubling ?
- had we not been doubling ?
- had you not been doubling ?
- had they not been doubling ?