1. As a verb:
* "Ay" (informal) - This is the most common way to say "is" in casual conversations.
* "Nariyan" (formal) - This is a more formal way to say "is" and is used when addressing someone older or someone you respect.
* "Naroroon" (formal) - This is also a formal way to say "is" and is used when referring to something that is present or existing.
2. As a part of a question:
* "Ba" - This is used to form a question. For example, "Mabuti ka ba?" translates to "Are you okay?"
3. As a connector:
* "Na" - This is used to connect two sentences or phrases. For example, "Maganda ang araw na mainit." translates to "The day is beautiful when it is hot."
Here are some examples of how to use "is" in Tagalog:
* "Ang langit ay asul." (The sky is blue.)
* "Naroroon ba ang libro?" (Is the book there?)
* "Maganda ang babaeng ito na matalino." (This woman is beautiful and intelligent.)
The best translation of "is" in Tagalog will depend on the specific context of the sentence.