He has a new girlfriend.

he Pronoun

— A person or animal that we do not know the gender of. Kill that spider, before he gets away!.

he Noun

— A he refers to a male person. — He is the name of the fifth letter of many Semitic alphabets such as Phoenician, Aramaic, Hebrew, Syriac, Arabic and others.

have Verb

— Someone has something if the thing is in their hands. The person is holding or gripping it. Do you have a spoon, or do you need me to give you one so you can eat the soup? — If you have uto/u do something, you must do it. I have to go. I had to do it. — Someone has something if the thing is that person's thing: the person owns it; it belongs to the person. The rich family has a big house. — If you have you hold something in the mind. I have a doubt about him. — If you have you join something. We have lunch at 13:00. — You use have to say that you suffer from something or to tell the experience. I have a defective vision. (I don't see well.) He had a wonderful time with his friends.

a Determinative

— A is used when the following word could be any of a certain type. Compare "A book I saw on the shelf" and "The book I gave you yesterday".

a Noun

— A is the first letter of the alphabet. The letter "a" comes before "b". — In some schools, an A is a very high grade. Ron got an A on his earth science test.

new Adjective

— If something is new, it is not old. They had a new car. In 1900, the idea was very new. — If somebody is new, they are not experienced. They hired a new worker.

girlfriend Noun

— A girlfriend is a girl or young woman who is in a romantic relationship with another person. Jeremy had been having trouble with his girlfriend. Koo Stark, a former girlfriend of the Duke of York, was being kept in hospital last night. — A girlfriend can be any friend who is female.