For each of the following sentences, identify the correct past participle of the verb in parentheses that should fill in the blank.
For help with this exercise, see section 14e of Focus on Reading and Writing.
Though few of them are household names, women inventors have _______ some very useful and famous products. (create)
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American women have ________ important innovations in chemistry, medicine, and mechanical engineering. (produce)
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Inventors have often _________their inventions while trying to solve a different problem. (discover)
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Patsy Sherman has ______ many household products with her invention of a stain-resistant coating. (change)
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Though women’s clothing has ________ to improve, Susan Converse helped increase women’s mobility in the 1800s with more practical undergarments. (continue)
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