Articles: Si and Siná
Keep In Mind:
A lot of people, even Filipino natural speakers themselves, get confused between silá and siná. Silá is a pronoun and shouldn't be followed by a noun. On the otherhand, sina is an article that can be used before a noun/s.
Si and Siná are articles used before name/s of a person/people.
Si is a singular article, while siná is the plural article, used before the names of two or more people.Read each sentence and take a look at how the article Si is used.
Examples:
Jose is a Filipino.
Si José ay . 
Joe is an American.
Si Joe ay .
Rosa is a woman.
Si Rosa ay .
Luis is kind.
Si Luís ay .
Ronan is a man.
Si Ronan ay .
Keep In Mind:
The Filipino translation of the English word "and" is at.
Practice using the article Sina with the examples below.
Examples:
Kevin and Mike are hardworking.
Siná Kevin at Mike ay masipag.
Carla and Josephine are pretty.
Siná Carla at Jósephine ay magandá.
Oliver and Tonyo are friends.
Siná Óliver at Tonyo ay magkaibigan.
Richard and Raymond are brothers.
Siná Richard at Raymond ay magkapatíd.
Richard and Raymond are students.
Siná Richard at Raymond ay mga .
Keep In Mind:
Mga is used to indicate the plural form of a noun. Adding this before the noun shows plurality.
Notice in one example, plurality has been indicated by using the article mga in the phrase mga estudyante . Adding the article mga is optional since siná has indicated plurality beforehand.
