Sina Maria at Juan ang may remote control.

Sina is the plural personal marker used before two or more names. Si is only for one person.

• Si Maria = Maria
• Sina Maria at Juan = Maria and Juan

Because the sentence names two people, sina is the correct form.

Yes. At means and.

So Maria at Juan simply means Maria and Juan.

Here, ang marks the phrase may remote control as the part being identified.

A helpful way to see the pattern is:

X ang may Y = X is/are the one(s) who have Y

So:

Sina Maria at Juan ang may remote control
= Maria and Juan are the ones who have a remote control

The sentence is not just giving information about possession; it is also highlighting who has it.

May here expresses possession, so it works like has/have in English.

• may remote control = has a remote control / with a remote control

More literally, ang may remote control means the one(s) who have a remote control.

After may, the noun usually comes directly without ang or ng.

So you say:

• may remote control
• may kotse
• may pera

not:

• may ng remote control

That is just how may normally works in Filipino.

Both are possible, but they do slightly different jobs.

• May remote control sina Maria at Juan = Maria and Juan have a remote control
• Sina Maria at Juan ang may remote control = Maria and Juan are the ones who have a remote control

The version with ang is more identifying or contrastive. It answers a question like Who has the remote control? and puts emphasis on Maria and Juan.

Sometimes, yes, but not in exactly the same way every time.

Before a noun, may is the most common and natural form:

• may remote control

You may also hear or see mayroong remote control, which is possible but a bit heavier or more formal.

So in this sentence:

• Sina Maria at Juan ang may remote control = very natural
• Sina Maria at Juan ang mayroong remote control = possible, but less common in everyday speech

Yes. Filipino uses many English loanwords, and remote control is completely normal. In casual speech, people may even shorten it to remote.

So this sentence sounds natural.

As written, it most naturally suggests one remote control, because remote control is not marked as plural.

If you want to make it clearly plural, you would usually add mga:

• Sina Maria at Juan ang may mga remote control

So:

• remote control = one, or unmarked/general depending on context
• mga remote control = more than one

You would use si instead of sina:

Si Maria ang may remote control.

That means Maria is the one who has the remote control or Maria has a remote control.

A very literal breakdown is:

• Sina Maria at Juan = Maria and Juan
• ang = marks the identified/topic phrase
• may remote control = having a remote control

So the whole sentence is roughly:

Maria and Juan are the ones having a remote control

In more natural English, that becomes:

Maria and Juan are the ones who have a remote control.