Spanish phrase
Tendrás que ~.
Meaning
You'll have to ___.
When to use it
Indicates a future necessity. Used to warn someone to prepare because circumstances will require the action later, typically casual and neutral in tone.
Example dialogue
Tendrás que llevar paraguas hoy, va a llover por la tarde.
You'll have to bring an umbrella today; it's going to rain this afternoon.
Gracias, mejor lo llevo.
Thanks, I'll bring it.