SIMPLE PRESENT

Affirmative

• I acidify
• you acidify
• she/he/it acidifies
• we acidify
• you acidify
• they acidify

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

SIMPLE PAST

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT PERFECT

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT PERFECT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST PERFECT

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST PERFECT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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