SIMPLE PRESENT

Affirmative

• I intervene
• you intervene
• she/he/it intervenes
• we intervene
• you intervene
• they intervene

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

SIMPLE PAST

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT PERFECT

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT PERFECT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST PERFECT

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST PERFECT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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