What type of word indicates a noun will soon follow?

Hello!

That my friend would be called an "Article".

It's called an article (The,an, a). Adjectives may work but not always. 

For example:

The Road Is Wet. 

The noun went 1st before the adjective. This can be rearranged into the following statement:

The Wet Road.

For Both statements, The Article comes 1st before the noun.

(Ps. Articles can never be used without a noun, which is why you will never see The or A or An just standing on its own, without a noun following it.)

I Hope my answer has come to your Help. Thank you for posting your question here in . We hope to answer more of your questions and inquiries soon. Have a nice day ahead! :)

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-TheOneAboveAll :D

Maybe it’s the speaker