SIMPLE PRESENT

Affirmative

• I underpin
• you underpin
• she/he/it underpins
• we underpin
• you underpin
• they underpin

Negative

• I do not underpin
• you do not underpin
• she/he/it does not underpin
• we do not underpin
• you do not underpin
• they do not underpin

Interrogative

• do I underpin ?
• do you underpin ?
• does she/he/it underpin ?
• do we underpin ?
• do you underpin ?
• do they underpin ?

Negative - Interrogative

• do I not underpin ?
• do you not underpin ?
• does she/he/it not underpin ?
• do we not underpin ?
• do you not underpin ?
• do they not underpin ?

PRESENT CONTINUOUS

Affirmative

• I am underpinning
• you are underpinning
• she/he/it is underpinning
• we are underpinning
• you are underpinning
• they are underpinning

Negative

• I am not underpinning
• you are not underpinning
• she/he/it is not underpinning
• we are not underpinning
• you are not underpinning
• they are not underpinning

Interrogative

• am I underpinning ?
• are you underpinning ?
• is she/he/it underpinning ?
• are we underpinning ?
• are you underpinning ?
• are they underpinning ?

Negative - Interrogative

• am I not underpinning ?
• are you not underpinning ?
• is she/he/it not underpinning ?
• are we not underpinning ?
• are you not underpinning ?
• are they not underpinning ?

SIMPLE PAST

Affirmative

• I underpinned
• you underpinned
• she/he/it underpinned
• we underpinned
• you underpinned
• they underpinned

Negative

• I did not underpin
• you did not underpin
• she/he/it did not underpin
• we did not underpin
• you did not underpin
• they did not underpin

Interrogative

• did I underpin ?
• did you underpin ?
• did she/he/it underpin ?
• did we underpin ?
• did you underpin ?
• did they underpin ?

Negative - Interrogative

• did I not underpin ?
• did you not underpin ?
• did she/he/it not underpin ?
• did we not underpin ?
• did you not underpin ?
• did they not underpin ?

PRESENT PERFECT

Affirmative

• I have underpinned
• you have underpinned
• she/he/it has underpinned
• we have underpinned
• you have underpinned
• they have underpinned

Negative

• I have not underpinned
• you have not underpinned
• she/he/it has not underpinned
• we have not underpinned
• you have not underpinned
• they have not underpinned

Interrogative

• have I underpinned ?
• have you underpinned ?
• has she/he/it underpinned ?
• have we underpinned ?
• have you underpinned ?
• have they underpinned ?

Negative - Interrogative

• have I not underpinned ?
• have you not underpinned ?
• has she/he/it not underpinned ?
• have we not underpinned ?
• have you not underpinned ?
• have they not underpinned ?

PAST CONTINUOUS

Affirmative

• I was underpinning
• you were underpinning
• she/he/it was underpinning
• we were underpinning
• you were underpinning
• they were underpinning

Negative

• I was not underpinning
• you were not underpinning
• she/he/it was not underpinning
• you were not underpinning
• you were not underpinning
• they were not underpinning

Interrogative

• was I underpinning ?
• were you underpinning ?
• was she/he/it underpinning ?
• were we underpinning ?
• were you underpinning ?
• were they underpinning ?

Negative - Interrogative

• was I not underpinning ?
• were you not underpinning ?
• was she/he/it not underpinning ?
• were we not underpinning ?
• were you not underpinning ?
• were they not underpinning ?

PRESENT PERFECT CONTINUOUS

Affirmative

• I have been underpinning
• you have been underpinning
• she/he/it has been underpinning
• we have been underpinning
• you have been underpinning
• they have been underpinning

Negative

• I have not been underpinning
• you have not been underpinning
• she/he/it has not been underpinning
• we have not been underpinning
• you have not been underpinning
• they have not been underpinning

Interrogative

• have I been underpinning ?
• have you been underpinning ?
• has she/he/it been underpinning ?
• have we been underpinning ?
• have you been underpinning ?
• have they been underpinning ?

Negative - Interrogative

• have I not been underpinning ?
• have you not been underpinning ?
• has she/he/it not been underpinning ?
• have we not been underpinning ?
• have you not been underpinning ?
• have they not been underpinning ?

PAST PERFECT

Affirmative

• I had underpinned
• you had underpinned
• she/he/it had underpinned
• we had underpinned
• you had underpinned
• they had underpinned

Negative

• I had not underpinned
• you had not underpinned
• she/he/it had not underpinned
• we had not underpinned
• you had not underpinned
• they had not underpinned

Interrogative

• had I underpinned ?
• had you underpinned ?
• had she/he/it underpinned ?
• had we underpinned ?
• had you underpinned ?
• had they underpinned ?

Negative - Interrogative

• had I not underpinned ?
• had you not underpinned ?
• had she/he/it not underpinned ?
• had we not underpinned ?
• had you not underpinned ?
• had they not underpinned ?

PAST PERFECT CONTINUOUS

Affirmative

• I had been underpinning
• you had been underpinning
• she/he/it had been underpinning
• we had been underpinning
• you had been underpinning
• they had been underpinning

Negative

• I had not been underpinning
• you had not been underpinning
• she/he/it had not been underpinning
• we had not been underpinning
• you had not been underpinning
• they had not been underpinning

Interrogative

• had I been underpinning ?
• had you been underpinning ?
• had she/he/it been underpinning ?
• had we been underpinning ?
• had you been underpinning ?
• had they been underpinning ?

Negative - Interrogative

• had I not been underpinning ?
• had you not been underpinning ?
• had she/he/it not been underpinning ?
• had we not been underpinning ?
• had you not been underpinning ?
• had they not been underpinning ?