The verb “to have” shows possession in English. We use the affirmative present tense to show that we possess something at the moment.[1]https://www.lingokids.com/english-for-kids/verb-to-have After, the verb “to be”, it is the second most important verb in English.

Affirmative
You can use the affirmative of “to have” to show that you possess something right now.
- I have
a dog. - You have a
cat. - He has a
parrot. - She has
two dogs. - It has
a fever. - We have a
big pool. - They have
a nice car.
Negative
You can use the negative of “to have” to show that you don’t possess something right now.
- I do not
have a dog. - You do
not have a cat. - He does
not have a parrot. - She does
not have two dogs. - It does
not have a fever. - We do not
have a big pool. - They do
not have a nice car.
Questions
You can use the question form of to ask someone if they possess something right now.
- Do I have a dog?
- Do
you have a cat? - Does
he have a parrot? - Does
she have two dogs? - Does
it have a fever? - Do we
have a big pool? - Do they
have a nice car?
Example Conversation
A: Hi John! How are you?
B: Hi Susie! I am good. How are you?
A: I am good too! I have a question for you. Do you have a dog?
B: Yes, I have a dog.
A: Is it a male or female?
B: It is a female.
A: Does she have puppies?
B: Yes, she has 3 puppies.
A: Can I have one?
B: Yes, you can have one.
A: Thanks!
B: You are welcome!
Additional Notes: Can + have = asking for permission to possess something. For example, when you ask “can I have a dog”, you are asking for permission to possess the dog.
Practice Exercises
Conclusion
How did you do? If some questions were tricky a private lesson can help you master this topic quickly.

References
