As a noun:
* The affix "-ing" can be added to verbs to form present participles.
* The word "unhappy" consists of the prefix "un-" and the root word "happy." These are both affixes.
* In linguistics, affixes are often used to create new words or modify existing ones.
As a verb:
* You can affix a stamp to an envelope.
* The artist affixed the painting to the wall with a special glue.
* The students affixed their names to their papers.
Note: "Affix" can also be used as an adjective, but it is less common. It would usually refer to something that is attached or fixed. For example, "the affix seal on the envelope."
Here are some more examples:
* The carpenter affixed the door handle to the door.
* The affixes "-able" and "-ible" can be added to verbs to form adjectives.
* The company's logo is an affix on all of its products.
The best way to use "affix" in a sentence will depend on the context and what you are trying to say.