PASSO 1Scegli l'opzione corretta
PASSO 2Aggiungi gli esercizi che ti piacciono ai Preferiti
When the subject is singular, the verb must be singular and when the subject is plural, the verb must also be plural. Take care when a plural noun comes between a singular subject and its verb, as in the example above.
The names of sciences and subjects ending in -ics (like mathematics, physics, politics, gymnastics) generally take a singular verb.
When we mean only one thing we say a piece of advice: Let me give you a piece of advice.
There is changes to there are if the noun that follows is the plural.