Grammar / The presentative, definite and indefinite articles

The definite and indefinite articles

Definite articles point out something or a person in particular.
 
le Musée Guggenheim (le + masculine noun), la Tour Eiffel (la + feminine noun),, l'Atomium de Bruxelles (l’ + vowel), les Jardins du Luxembourg (les + plural noun)
 
There is only one Musée Guggenheim, Tour Eiffel, Atomium and the Jardins du Luxembourg are unique.
 
Indefinite articles point out a category of things or persons.
Un restaurant chinois (un + masculine noun) [a chinese restaurant],  une splendide fontaine (une + feminine noun) [a splendid fountain], des monuments historiques (des + plural) [historical monuments].
 
There is more than one (plusieurs) chinese restaurant or spendid fountain and there is a lot (beaucoup de) of historical monuments.
 
 
Identification and presentation with c'est/ce sont

To identify or present something or someone, we use c’est + singular noun et ce sont + plural noun.

play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. C’est Paul.  (Il est Paul)
play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. C’est le monsieur en gris. (Il est le monsieur en gris)	play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. C’est un musée. (Il est  un musée)
play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. C’est la maison de Dali.   (Elle est la maison…)	play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. C’est une école. (Elle est une école)
play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. C’est l’hôpital St-Pierre.  (Il est l’hôpital)

play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. Ce sont les livres de Sophie. (Ils sont les livres de Sophie)

play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. Ce sont des touristes. (Ils sont des touristes)

Questions are always in the singular:

for objects and things :	play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. Qu’est-ce que c’est ?	play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. C’est la statue de la Liberté ; ce sont des restaurants.
For persons :	play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. Qui est-ce ?	play stop mute max volume     repeat   Update Required To play the media you will need to either update your browser to a recent version. C’est mon frère ; ce sont mes parents.