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Головна » Статті » English Grammar

Auxiliary Verbs: Be, Do, Have

Auxiliary Verbs "Be," "Do," "Have"

An auxiliary verb helps the main (full) verb and is also called a "helping verb." With auxiliary verbs, you can write sentences in different tenses, moods, or voices.

Auxiliary verbs are: be, do, have, will, shall, would, should, can, could, may, might, must, ought, etc. 
 

  • I think I should study harder to master English.
  • am having a cup of coffee.
  • You have been practicing hard.
  • It was written by a petitioner.
  • You may choose what you like.

The verb forms of be, do, and have can be used either as a main (full) verb or an auxiliary verb. The following examples show these verbs used as auxiliary verbs. 

1. "Be" as an auxiliary verb

1.BE-2.WAS/WERE-3.BEEN

Person

Singular

B

E

Plural

B

E

 

Pronoun

present

past

(2)

Pronoun

Be (present)

Be (past)

(2)

I.

I

am

was

We

are

were

II.

You

are

were

You

are

were

III.

He/She/It

is

was

They

are

were

a. Used in progressive sentences:

BE+(V+ing)

  • I am taking a bath.
  • She is preparing dinner for us.
  • They have been studying all night.

b. Used in passive sentences:
 

  • I was given a free meal.
  • He was seen by fans at the airport.
  • This song has been sung by all nations.

2. "Do" as an auxiliary verb

1. DO (He/She/It - DOES) - 2. DID - 3. DONE

a. Used in negative sentences:
 

  • I do not know the truth.
  • She doesn’t agree with me.
  • They didn’t arrive here yet.

b. Used in questions:
 

  • Do you want to have another one?
  • Did he finish his homework?
  • Do we need to keep going straight?

3. "Have" as an auxiliary verb

1. HAVE (He/She/It - HAS) - 2. HAD - 3. HAD

a. Used in perfect sentences:
 

  • I have been following you for a mile.
  • He has done a lot so far.
  • She had been queen of the town.

Identify all auxiliary verbs in the following paragraph.

I have just heard that you didn’t attend the meeting yesterday. Did you have a conflict with that time? I must ask that you explain the reason.

Ex.1. Identify all auxiliary verbs in the following paragraph.
I have just heard that you didn’t attend the meeting yesterday. Did you have a conflict with that time? I must ask that you explain the reason.

Ex.2. Which of the following sentences does not show any auxiliary verbs?

1) I didn’t have any reason to go there.

2) Have we practiced this song enough? 
3) Three seats have been reserved for us. 
4) I am a professor in the economics department. 

Sourse

Ex.3. Complete the sentences with short answers.

1) Is he nice? - Yes, 

2) Are you French? - No, 

3) Is she new at our school? - Yes, 

4) Are the boys in the garden - No, 

5) Is John from France? - No, 

6) Are Ron and Max your friends? - Yes, 

7) Has your sister got a cat? - No, 

8) Are you from Germany - Yes, 

9) Have your grandparents got a cat? - Yes, 

10) Is the cat in her basket? - No, 

Категорія: English Grammar | Додав: Tan (21.07.2014)
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