Tener has many different uses.
Tengo veintisiete años. ( expressing age) Yo tengo dos perros. ( expressing possession) Yo tengo que aprender las palabras. ( expressing obligation) Yo tengo dolor de cuello. ( expressing feelings) Tengo ganas de dormir. ( expressing desire to do something)

Is Tener stem changing?

Yes! Tener is a stem changing verb. The stem of tener is ten. We get the stem of Spanish verbs by eliminating the endings “ar”, “er” or “ir”.

What is a tener expression?

The Spanish verb “tener” itself, generally means to have or possess, but is used in various ways such as “to accommodate”, to express age, “to experience”, “to hold”, “to judge”, “to keep” and many more.

What is tener que infinitive?

To talk about the things that you or others have to do we use: Tener que + infinitive.