The actors certainly ____ play their parts well. Harmonicas ____ made in several sizes. Most large cities ____ developed good public transportation systems. Handwriting ____ considered an important skill. The house ____ look very old. Powered wigs once ____ considered fashionable for men and women. One of the most powerful ocean currents ____ called the Gulf Stream A groundhog ____ eat roots, grain, and leaves. Coyotes ____ cause trouble for ranchers. The Great Lakes ____ formed during a glacial age. Many people ____ heard a cricket chirping in the classroom. Wheat ____ considered the most important of all grain crops. A goat ____ have only two toes. Most eyeglasses ____ made of shatterproof glass. Ghost stories ____ been popular for a long time.

Subject + Verb Agreement - verb phrases

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