Have - Main verb or Auxiliary verb

This old house has no central heating.

• auxiliary verb

• main verb

They have been waiting for an hour.

• auxiliary verb

• main verb

Do you have a glass of water?

• main verbal

• auxiliary verb

I have had this computer for three years.

• main verb

• auxiliary verb

She has had her dog since 2015.

• main verb

• auxiliary verb

My parents had fish for dinner.

• main verb

• auxiliar verb

Did you have a shower this morning?

• main verb

• auxiliary verb

Frank had played tennis when he was 12.

• main verb

• auxiliary verb

Look, the bus is coming. We have to hurry.

• main verb

• auxiliary verb

Has Mrs. Jones written the essay?

• main verb

• auxiliary verb