SIMPLE PRESENT
Affirmative
- I grub
- you grub
- she/he/it grubs
- we grub
- you grub
- they grub
Negative
- I do not grub
- you do not grub
- she/he/it does not grub
- we do not grub
- you do not grub
- they do not grub
Interrogative
- do I grub ?
- do you grub ?
- does she/he/it grub ?
- do we grub ?
- do you grub ?
- do they grub ?
Negative - Interrogative
- do I not grub ?
- do you not grub ?
- does she/he/it not grub ?
- do we not grub ?
- do you not grub ?
- do they not grub ?
PRESENT CONTINUOUS
Affirmative
- I am grubbing
- you are grubbing
- she/he/it is grubbing
- we are grubbing
- you are grubbing
- they are grubbing
Negative
- I am not grubbing
- you are not grubbing
- she/he/it is not grubbing
- we are not grubbing
- you are not grubbing
- they are not grubbing
Interrogative
- am I grubbing ?
- are you grubbing ?
- is she/he/it grubbing ?
- are we grubbing ?
- are you grubbing ?
- are they grubbing ?
Negative - Interrogative
- am I not grubbing ?
- are you not grubbing ?
- is she/he/it not grubbing ?
- are we not grubbing ?
- are you not grubbing ?
- are they not grubbing ?
SIMPLE PAST
Affirmative
- I grubbed
- you grubbed
- she/he/it grubbed
- we grubbed
- you grubbed
- they grubbed
Negative
- I did not grub
- you did not grub
- she/he/it did not grub
- we did not grub
- you did not grub
- they did not grub
Interrogative
- did I grub ?
- did you grub ?
- did she/he/it grub ?
- did we grub ?
- did you grub ?
- did they grub ?
Negative - Interrogative
- did I not grub ?
- did you not grub ?
- did she/he/it not grub ?
- did we not grub ?
- did you not grub ?
- did they not grub ?
PRESENT PERFECT
Affirmative
- I have grubbed
- you have grubbed
- she/he/it has grubbed
- we have grubbed
- you have grubbed
- they have grubbed
Negative
- I have not grubbed
- you have not grubbed
- she/he/it has not grubbed
- we have not grubbed
- you have not grubbed
- they have not grubbed
Interrogative
- have I grubbed ?
- have you grubbed ?
- has she/he/it grubbed ?
- have we grubbed ?
- have you grubbed ?
- have they grubbed ?
Negative - Interrogative
- have I not grubbed ?
- have you not grubbed ?
- has she/he/it not grubbed ?
- have we not grubbed ?
- have you not grubbed ?
- have they not grubbed ?
PAST CONTINUOUS
Affirmative
- I was grubbing
- you were grubbing
- she/he/it was grubbing
- we were grubbing
- you were grubbing
- they were grubbing
Negative
- I was not grubbing
- you were not grubbing
- she/he/it was not grubbing
- you were not grubbing
- you were not grubbing
- they were not grubbing
Interrogative
- was I grubbing ?
- were you grubbing ?
- was she/he/it grubbing ?
- were we grubbing ?
- were you grubbing ?
- were they grubbing ?
Negative - Interrogative
- was I not grubbing ?
- were you not grubbing ?
- was she/he/it not grubbing ?
- were we not grubbing ?
- were you not grubbing ?
- were they not grubbing ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been grubbing
- you have been grubbing
- she/he/it has been grubbing
- we have been grubbing
- you have been grubbing
- they have been grubbing
Negative
- I have not been grubbing
- you have not been grubbing
- she/he/it has not been grubbing
- we have not been grubbing
- you have not been grubbing
- they have not been grubbing
Interrogative
- have I been grubbing ?
- have you been grubbing ?
- has she/he/it been grubbing ?
- have we been grubbing ?
- have you been grubbing ?
- have they been grubbing ?
Negative - Interrogative
- have I not been grubbing ?
- have you not been grubbing ?
- has she/he/it not been grubbing ?
- have we not been grubbing ?
- have you not been grubbing ?
- have they not been grubbing ?
PAST PERFECT
Affirmative
- I had grubbed
- you had grubbed
- she/he/it had grubbed
- we had grubbed
- you had grubbed
- they had grubbed
Negative
- I had not grubbed
- you had not grubbed
- she/he/it had not grubbed
- we had not grubbed
- you had not grubbed
- they had not grubbed
Interrogative
- had I grubbed ?
- had you grubbed ?
- had she/he/it grubbed ?
- had we grubbed ?
- had you grubbed ?
- had they grubbed ?
Negative - Interrogative
- had I not grubbed ?
- had you not grubbed ?
- had she/he/it not grubbed ?
- had we not grubbed ?
- had you not grubbed ?
- had they not grubbed ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been grubbing
- you had been grubbing
- she/he/it had been grubbing
- we had been grubbing
- you had been grubbing
- they had been grubbing
Negative
- I had not been grubbing
- you had not been grubbing
- she/he/it had not been grubbing
- we had not been grubbing
- you had not been grubbing
- they had not been grubbing
Interrogative
- had I been grubbing ?
- had you been grubbing ?
- had she/he/it been grubbing ?
- had we been grubbing ?
- had you been grubbing ?
- had they been grubbing ?
Negative - Interrogative
- had I not been grubbing ?
- had you not been grubbing ?
- had she/he/it not been grubbing ?
- had we not been grubbing ?
- had you not been grubbing ?
- had they not been grubbing ?