If you're talking about the state of being apples:
* Les pommes sont (formal) - This translates to "The apples are"
* Les pommes sont (informal) - This is the same as the formal version, but can be used in casual conversation.
If you're describing the quality of apples:
* Les pommes sont... (followed by an adjective describing the apples) - This translates to "The apples are..." For example, "Les pommes sont rouges" (The apples are red).
If you're talking about a general fact about apples:
* Les pommes sont des fruits. (Apples are fruits.)
It's important to provide the full sentence to get the most accurate translation.