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Italian grammar

Devi, non devi + infinitive

Give someone advice about their health.

From the scene Devi riposare (You must rest)

In short

Devi + infinitive = you must; non devi = you mustn't. With Lei: deve.

  • you must rest devi riposare
  • you must drink devi bere
  • you mustn't eat non devi mangiare
  • rest (noun) il riposo

Your turn

Which one goes with you must drink?

Options: non devi mangiare · devi bere · devi riposare

Show answer

you must drink → devi bere

How it works

Devi + infinitive (you must / should) gives firm advice to someone you call tu; non devi + infinitive says what they mustn't do. With Lei: deve.

Your turn

Pick the word that fits the line.

La signora Elena ha ragione. (blank) riposare.

Clue: Nuria to Javi (tu)

Options: Deve · Devono · Devi

Show answer

La signora Elena ha ragione. Devi riposare.

Signora Elena is right. You must rest.

you must rest devi riposare

Nuria

Devi riposare, Javi.

You must rest, Javi.

Your turn

What fills the gap?

(blank), Javi.

Options: Devi riposare · Devi bere · Non devi mangiare

Show answer

Nuria

Devi riposare, Javi.

You must rest, Javi.

you must drink devi bere

Elena

Beh, devi bere molta acqua.

Well, you must drink a lot of water.

Your turn

What fills the gap?

Beh, (blank) molta acqua.

Options: devi bere · devi riposare · non devi mangiare

Show answer

Elena

Beh, devi bere molta acqua.

Well, you must drink a lot of water.

you mustn't eat non devi mangiare

Elena

No, no. Non devi mangiare niente oggi.

No, no. You mustn't eat anything today.

Your turn

What fills the gap?

No, no. (blank) niente oggi.

Options: Devi bere · Non devi mangiare · Devi riposare

Show answer

Elena

No, no. Non devi mangiare niente oggi.

No, no. You mustn't eat anything today.

rest (noun) il riposo

Your turn

What goes with il riposo?

Options: you must rest · you must drink · rest (noun)

Show answer

il riposo → rest (noun)

Watch out

Non devi means 'you mustn't', not 'you don't have to' (that's non è necessario).

Common mistake

Not Deve or Devo here. Nuria to Javi (tu).

Devi riposare, Javi.

You must rest, Javi.

Practise it in the story

Meet this rule inside a short animated scene. Answer as it plays, then say the lines yourself.

Practise free in the app
See all forms
Devi, non devi + infinitive
you must restdevi riposare
you must drinkdevi bere
you mustn't eatnon devi mangiare
rest (noun)il riposo
More lines from the story
  • NuriaLa signora Elena ha ragione. Devi riposare.Signora Elena is right. You must rest.
  • JaviVa bene... ma dopo voglio le tapas.OK... but later I want tapas.
  • JaviSto malissimo. Non ce la faccio più.I feel awful. I can't take any more.

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