This is the 787th most frequent Spanish word.
tendrán
"They will have."
In this sentence, 'tendrán' is the future tense of 'tener', meaning 'they will have'. It expresses a future action where the subject possesses something.
Mañana tendrán una reunión importante.
Tomorrow, they will have an important meeting.
Here, 'tendrán' is used in a conditional sense, indicating a future consequence likely to occur based on a present condition.
Si no estudian, tendrán problemas con el examen.
If they don't study, they will have trouble with the test.
In this example, 'tendrán' again refers to a future possession or availability, contextualizing events yet to happen.