What is the plural form of this sentence child likes

The plural form of "child likes" depends on what you want to convey:

If you want to say multiple children like something:

* Children like (This is the most common and straightforward way)

If you want to say one child likes multiple things:

* Child likes (This is already plural, as it's implying the child likes more than one thing)

Let me know if you have a specific context in mind, and I can help you choose the best way to express it!