Breakdown of I tappetini si devono disinfettare dopo l'allenamento.
dovere
must
l'allenamento
the workout (m)
si
one (impersonal)
dopo
after
Questions & Answers about I tappetini si devono disinfettare dopo l'allenamento.
Why is the plural verb devono used here when the English translation just says "must be"?
This is the si passivante (passive si) in action. In Italian, the things receiving the action (I tappetini, the mats) actually become the grammatical subject of the sentence. Because I tappetini is plural, the modal verb must also be the plural devono.
Can the si be placed anywhere else in this sentence?
Yes! When you have a modal verb like dovere (must) followed by an infinitive, you can attach the si to the end of the infinitive by dropping its final 'e'. So you could also say I tappetini devono disinfettarsi, which means exactly the same thing.
Why couldn't I just say Si deve disinfettare i tappetini to mean "One must disinfect the mats"?
While the impersonal si usually takes a singular verb, Italian grammar changes it to the si passivante whenever there is a specific direct object involved. Because the mats (I tappetini) are receiving the action, they take over as the subject. Therefore, the verb must become plural to match them.
Is tappetini related to the word for carpet or rug?
Exactly! The base word is tappeto (rug or carpet). By adding the diminutive suffix -ino, it becomes a small rug or mat. In a fitness context like this, a tappetino refers specifically to a gym or yoga mat.