Breakdown of Tú necesitas una bicicleta nueva.
tú
you (informal singular)
una
a, an (feminine)
necesitar
to need
la bicicleta
the bicycle
Questions & Answers about Tú necesitas una bicicleta nueva.
Why is it una bicicleta nueva and not una nueva bicicleta?
In Spanish, adjectives (words that describe things) usually come after the noun they are describing. Since nueva (new) describes the bicicleta (bicycle), it goes right after it!
Why does nueva end in an -a here?
Adjectives have to match the gender of the noun they describe. The word for bicycle, bicicleta, is a feminine noun (which is why it uses una). Because of this, the adjective nuevo changes to its feminine form, nueva, to match.
Why does Tú have an accent mark over the 'u'?
The accent mark changes the meaning of the word. Tú with an accent means "you". If you write tu without the accent, it means "your" (like in tu bicicleta or "your bicycle").
Can I leave out the word Tú and just say Necesitas una bicicleta nueva?
Yes, absolutely! In Spanish, the verb ending (the -as in necesitas) already tells us exactly who is doing the action. Including Tú just adds a little extra emphasis, like saying "You need a new bicycle."