SIMPLE PRESENT

Affirmative

• I sterilize
• you sterilize
• she/he/it sterilizes
• we sterilize
• you sterilize
• they sterilize

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

SIMPLE PAST

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT PERFECT

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT PERFECT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST PERFECT

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST PERFECT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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