Have As An Auxiliary Verb
Have is used both as an ordinary verb and as an auxiliary verb.
As an auxiliary verb
As an auxiliary verb, have is used with past participles to make perfect verb forms.
- She has acted in a film. (Present Perfect.)
- I have been to the US. (Present Perfect)
- Have you heard of the Unidentified Flying Objects? (Present Perfect)
- I realized that I had met him before. (Past Perfect)
- I will have finished this work by the end of this month. (Future Perfect)
Questions and negatives are made without do.
- He has gone to the market.
- Has he gone to the market? (NOT Does he have gone to the market.)
- He hasn’t gone to the market. (NOT He doesn’t have gone to the market.)
- Have you seen him before?
- No, I haven’t seen him before.
There are no progressive (having) forms of the auxiliary verb have.
- He has gone to school. (NOT He is having gone to the school.)
Have as an ordinary verb
As an ordinary verb, have is used to talk about states: possession, relationships, illnesses, personal characteristics and similar ideas.
- We have a big house in the city. (Possession)
- I have two children. (Relations)
- The applicant must have a good personality. (Personal characteristics)
- She has a nice temper. (Personal characteristics)
- I have a bad headache. (Illnesses)
- He has plenty of money, but no manners. (Possession)
Causative use of have
Getting something done by somebody else is expressed by the structure have (or get) + object + past participle.
Read the following sentences.
- I must get/have my hair cut.
- You must get/have your shoes mended.
- We must get our roof repaired.
- She got/had her son trained as a mechanic.
Rewrite the following sentences using have or get followed by a past participle.
1. My servant washes my car for me.
2. This tailor makes my clothes for me.
3. A famous architect designed our house for us.
4. My hair needs cutting.
1. I get my car washed by my servant.
2. I get my clothes made by this tailor.
3. We got/had our house designed by a famous architect.
4. I must get/have my hair cut.