Tenir is an irregular -IR verb and usually means "to hold" or "to keep." Tenir has a number of other meanings, including some which depend on the preposition that follows.
Tenir usually means "to hold" or "to keep":
Qu'est-ce qu'il tient à la main ?
What is he holding in his hand?
Je dois tenir les enfants par la main
I need to hold the kids' hands
Tenez les yeux fermés
Keep your eyes closed
Il faut tenir cette affiche en place
You need to hold this poster in place
Additional meanings
To have/keep under control
Vous tenez bien votre classe
You have your class under control
To run/manage (a business)
Qui tient le magasin ?
Who's running the store?
To organize (an event)
Le comité tient une séance chaque mois
The committee holds a meeting every month
To handle, be able to accept
Elle ne tient pas l'alcool (informal)
She can't hold her liquor
To keep
Je tiens toujours mes promesses
I always keep my promises
To take up, fulfill
Cette table tient trop de place
This table takes up too much room
Tenir à
Tenir à may be followed by a noun, an infinitive, or a clause. When followed by a noun, it means either "to value, care about, be attached to" or "to be due to, stem from":
Je ne tiens pas à son opinion
I don't care about his opinion
À quoi tient son succès ?
What is the secret of his success?
When followed by an infinitive or ce que + subjunctive, tenir à means "to be anxious/eager"
Je tiens à vous remercier
I'm eager to thank you
Il tient à ce que tu sois à l'aise
He's anxious for you to feel comfortable
Tenir can also be used to mean "to depend on" - most commonly with ne___ qu'à:
Cela ne tient qu'à toi de choisir
It's up to you to choose, The choice depends (only) on you
Cela ne tient pas qu'à moi
It doesn't depend on me alone
Tenir de
Tenir de means "to take after/resemble, to have to do with":
Elle tient de sa mère
She takes after her mother
Cela tient du miracle
That seems like a miracle, There's something miraculous about that
Se tenir
Reflexively, tenir means "to hold (oneself)," "to be in a position," or "to behave":
Pourquoi se tient-il la jambe ?
Why is he holding his leg?
Je me tenais par une main
I held myself (up) with one hand
Tu dois te tenir debout
You have to stand up
Nous nous tenons prêts à partir
We're prepared to leave
Elle se tient bien
She's well-behaved
Tiens-toi tranquille !
Behave yourself! Be quiet!
Se tenir can also be used intransitively with many of the meanings in the first section (to hold a meeting, to be connected, etc)
Expressions with Tenir
Present tense conjugations
je tiens
tu tiens
il tient
nous tenons
vous tenez
ils tiennent



