1. What is the principal part of the underlined verb in the sentence? I have never beaten my grandfather at chess. (beaten) is underlined. A. present participle B. present C. past D. past participle -------------------------------------------------- 2. What is the principal part of the underlined verb in the sentence? So far, I have read 10 books this summer. (read) is underlined. A. present participle B. past C. past participle D. present