To have shows possession, relationships, body parts, and common needs. It tells us what a person owns, what family they have, what body parts they have, and what everyday actions or needs they have.

In the present simple, English uses have and has. Most subjects use have. He, she, and it use has.

Subject	Form
I	have
You	have
We	have
They	have
He	has
She	has
It	has

To have can show that something belongs to a person. This use talks about things people own or keep.

Word or Phrase	Definition
a car	This phrase names something a person owns.
a book	This phrase names something a person has.
a house	This phrase names something that belongs to a person.

To have can show relationships in a family. This use tells us about people in a person’s life.

Word or Phrase	Definition
a brother	This phrase names a male family member a person has.
a sister	This phrase names a female family member a person has.
children	This phrase names sons or daughters a person has.

To have can show parts of the body. This use tells us what body parts a person or animal has.

Word or Phrase	Definition
two eyes	This phrase names body parts a person has.
a nose	This phrase names a body part on the face.
two hands	This phrase names body parts used for holding things.

To have is used in common phrases for food, drink, rest, and daily actions. In these phrases, have shows an everyday need or routine.

Word or Phrase	Definition
have breakfast	This phrase means to eat the morning meal.
have water	This phrase means to drink water.
have a rest	This phrase means to stop and relax for a short time.

In present simple questions with have, English uses do or does. Use do with I, you, we, and they. Use does with he, she, and it.

Rule
Use do before I, you, we, and they in present simple questions with have.
Use does before he, she, and it in present simple questions with have.
After do or does, use have, not has.

In present simple negatives with have, English uses do not or does not. The main verb stays have for all subjects after do not and does not.

Rule
Use do not with I, you, we, and they to make a negative sentence with have.
Use does not with he, she, and it to make a negative sentence with have.
After do not or does not, use have, not has.

You can now use have and has in the present simple. You can talk about possession, family, body parts, and common daily needs. You can also understand and make questions and negatives with do and does.