SIMPLE PRESENT

Affirmative

• I invoice
• you invoice
• she/he/it invoices
• we invoice
• you invoice
• they invoice

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

SIMPLE PAST

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT PERFECT

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PRESENT PERFECT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST PERFECT

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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

PAST PERFECT CONTINUOUS

Affirmative

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

Negative

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

Interrogative

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

Negative - Interrogative

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