SIMPLE PRESENT

Affirmative

• I estimate
• you estimate
• she/he/it estimates
• we estimate
• you estimate
• they estimate

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

SIMPLE PAST

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT PERFECT

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT PERFECT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST PERFECT

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST PERFECT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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