Subject Verb Agreement: Is or Are? Has or Have? Subject Verb Agreement, grade 3, fulfills CCSS L.3.1F ensure subject-verb agreement 12 Questions by ELA_by_Kahoot 01/29/2018 answers Play Many cherry trees in the city _____ in bloom. is are Each of the flags ____ 13 stripes and 50 stars. have has All of the flags ____ waving in the brisk wind. is are … and 9 more awesome questions! Check them out by clicking “Play”.