There are many different phrases and expressions that can be used in place of "has sex with." Some of the most commonly used synonyms include "sleeps with," "has relations with," "gets intimate with," "makes love to," "beds," "has intercourse with," and "engages in sexual activity with." Each of these phrases can have slightly different connotations depending on the context in which they are used. Some may be more appropriate for more casual or colloquial situations, while others may be more suited to formal or medical contexts. Ultimately, the choice of language will depend on the writer's intended tone and audience.