Helping Hints for the Present
Auxiliary Verbs Used with Present Tenses
Knowledge of auxiliary verbs used in various tenses is the key to correct tense conjugation. Here is a review of auxiliary verbs used in present tenses:
Use 'do / does' in questions and negative statements to express a routine or habitual action. Use no auxiliary verb in the positive form.
Walter never shows appreciation for his employees.
How often do you check your credit score?
I transfer funds to my savings account several times a week.
The discussion centers around the bill on demand.
Use 'am / is / are' in the present tense for the positive, negative and question forms in the present continuous tense to express something that is happening at the current moment, or around the present moment in time.
We are providing that service as per invoice.
She's talking to the representative about the bill as per invoice.
Present Simple Passive:
Use the verb 'am / is / are' in the present for positive, negative and question in the present simple passive to express a present passive operation. Remember that the passive takes the participle form of the principal verb.
That pension fund isn't used very often.
When is the loan scheduled to depreciate?
Use 'have / has' in the present for the positive, negative and question forms for the present perfect tense to express something that has happened up to the present moment in time, or something which has occurred at an unspecified moment in the past.
Have they returned your market research call yet?
The warehouse hasn't been used for months.
Present Perfect Continuous:
Use the verb 'have been / has been' in the present perfect for the positive, negative and question forms for the present perfect tense to express the duration of something that has been happening up to the present moment in time.
The tech told us that the convertibility upgrades have been ongoing since last spring.
I've been writing a promissory note to pay a definite sum of money to the payee since two this afternoon.