Ted, with his assistants, (lead, leads a team that other astronomers at the university (want, wants to join. which verbs correctly complete the sentence?

The verbs that correctly completes the sentence above would be "leads" and "want." In the first part of the sentence, a singular form of the verb is used since Ted is considered to be the primary subject of the clause. On the other hand, the plural verb form was used in the second clause since the statement refers to the "astronomers."