1.) which verb agrees with its subject? phineas t. barnum in bethel, connecticut, on july 5, 1810.. a. have been born . b. were born . c. was born . d. are born 2.) which verb agrees with its subject? you have all the necessary materials for the project? a. does not . b. does . c. doesn't . d. do 3.) which verb agrees with its subject? the early professional efforts of p. t. barnum very successful.. a. weren't . b. wasn't . c. was d. isn't