SIMPLE PRESENT
Affirmative
- I let up
- you let up
- she/he/it lets up
- we let up
- you let up
- they let up
Negative
- I do not let up
- you do not let up
- she/he/it does not let up
- we do not let up
- you do not let up
- they do not let up
Interrogative
- do I let up ?
- do you let up ?
- does she/he/it let up ?
- do we let up ?
- do you let up ?
- do they let up ?
Negative - Interrogative
- do I not let up ?
- do you not let up ?
- does she/he/it not let up ?
- do we not let up ?
- do you not let up ?
- do they not let up ?
PRESENT CONTINUOUS
Affirmative
- I am letting up
- you are letting up
- she/he/it is letting up
- we are letting up
- you are letting up
- they are letting up
Negative
- I am not letting up
- you are not letting up
- she/he/it is not letting up
- we are not letting up
- you are not letting up
- they are not letting up
Interrogative
- am I letting up ?
- are you letting up ?
- is she/he/it letting up ?
- are we letting up ?
- are you letting up ?
- are they letting up ?
Negative - Interrogative
- am I not letting up ?
- are you not letting up ?
- is she/he/it not letting up ?
- are we not letting up ?
- are you not letting up ?
- are they not letting up ?
SIMPLE PAST
Affirmative
- I let up
- you let up
- she/he/it let up
- we let up
- you let up
- they let up
Negative
- I did not let up
- you did not let up
- she/he/it did not let up
- we did not let up
- you did not let up
- they did not let up
Interrogative
- did I let up ?
- did you let up ?
- did she/he/it let up ?
- did we let up ?
- did you let up ?
- did they let up ?
Negative - Interrogative
- did I not let up ?
- did you not let up ?
- did she/he/it not let up ?
- did we not let up ?
- did you not let up ?
- did they not let up ?
PRESENT PERFECT
Affirmative
- I have let up
- you have let up
- she/he/it has let up
- we have let up
- you have let up
- they have let up
Negative
- I have not let up
- you have not let up
- she/he/it has not let up
- we have not let up
- you have not let up
- they have not let up
Interrogative
- have I let up ?
- have you let up ?
- has she/he/it let up ?
- have we let up ?
- have you let up ?
- have they let up ?
Negative - Interrogative
- have I not let up ?
- have you not let up ?
- has she/he/it not let up ?
- have we not let up ?
- have you not let up ?
- have they not let up ?
PAST CONTINUOUS
Affirmative
- I was letting up
- you were letting up
- she/he/it was letting up
- we were letting up
- you were letting up
- they were letting up
Negative
- I was not letting up
- you were not letting up
- she/he/it was not letting up
- you were not letting up
- you were not letting up
- they were not letting up
Interrogative
- was I letting up ?
- were you letting up ?
- was she/he/it letting up ?
- were we letting up ?
- were you letting up ?
- were they letting up ?
Negative - Interrogative
- was I not letting up ?
- were you not letting up ?
- was she/he/it not letting up ?
- were we not letting up ?
- were you not letting up ?
- were they not letting up ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been letting up
- you have been letting up
- she/he/it has been letting up
- we have been letting up
- you have been letting up
- they have been letting up
Negative
- I have not been letting up
- you have not been letting up
- she/he/it has not been letting up
- we have not been letting up
- you have not been letting up
- they have not been letting up
Interrogative
- have I been letting up ?
- have you been letting up ?
- has she/he/it been letting up ?
- have we been letting up ?
- have you been letting up ?
- have they been letting up ?
Negative - Interrogative
- have I not been letting up ?
- have you not been letting up ?
- has she/he/it not been letting up ?
- have we not been letting up ?
- have you not been letting up ?
- have they not been letting up ?
PAST PERFECT
Affirmative
- I had let up
- you had let up
- she/he/it had let up
- we had let up
- you had let up
- they had let up
Negative
- I had not let up
- you had not let up
- she/he/it had not let up
- we had not let up
- you had not let up
- they had not let up
Interrogative
- had I let up ?
- had you let up ?
- had she/he/it let up ?
- had we let up ?
- had you let up ?
- had they let up ?
Negative - Interrogative
- had I not let up ?
- had you not let up ?
- had she/he/it not let up ?
- had we not let up ?
- had you not let up ?
- had they not let up ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been letting up
- you had been letting up
- she/he/it had been letting up
- we had been letting up
- you had been letting up
- they had been letting up
Negative
- I had not been letting up
- you had not been letting up
- she/he/it had not been letting up
- we had not been letting up
- you had not been letting up
- they had not been letting up
Interrogative
- had I been letting up ?
- had you been letting up ?
- had she/he/it been letting up ?
- had we been letting up ?
- had you been letting up ?
- had they been letting up ?
Negative - Interrogative
- had I not been letting up ?
- had you not been letting up ?
- had she/he/it not been letting up ?
- had we not been letting up ?
- had you not been letting up ?
- had they not been letting up ?