Subject-Verb Agreement
For each of the following sentences, identify which verb form should fill in the blank to agree with the subject of the sentence.
For help with this exercise, see Chapter 23 of Focus on Reading and Writing.
Question
A cat and kitten _______ the same kind of purring sound.
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A family of cats sometimes _____ when together.
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However, scientists still ____ not know what causes purring.
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Of two theories, the flowing blood theory ____ less credibility.
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Blood flowing through the cat’s veins supposedly ______ a fluttering effect.
For each of the following sentences, select the answer choice that fills in the blank with the correct present tense form of the verb in parentheses.
For help with this exercise, see Chapter 23 of Focus on Reading and Writing.
Question
Oceans ________ three-quarters of the earth’s surface. (cover)
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Yet most people still ________ very little about them. (know)
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Even scientists constantly ________ new things about life. (discover)
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Sylvia Earle ___ a highly respected oceanographer. (be)
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She _______ a great deal of time under water. (spend)
For each of the following sentences, select the answer choice that fills in the blank with the correct present tense form of the verb in parentheses.
For help with this exercise, see Chapter 23 of Focus on Reading and Writing.
Question
Quilts _______ a traditional American art form. (be)
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A quilter _____ wonderful art objects using fabric, needles, and thread. (make)
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Faith Ringgold and Carter Houck _______ masterful quilts. (create)
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They _______ complex and colorful stories. (tell)
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A quilter ___ more than collect fabric scraps. (do)
For each of the following sentences, select the answer choice that fills in the blank with the correct present tense form of the verb in parentheses.
For help with this exercise, see Chapter 23 of Focus on Reading and Writing.
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Artifacts of an ancient culture often _________ from an archaeological site. (vanish)
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Sometimes, one of the missing objects ______ later. (appear)
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Unfortunately, in such cases someone ______ usually guilty of stealing the work and selling it in secret. (be)
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Archaeological sites in various parts of the world ______ in prominent locations. (exist)
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Many sites in dry climates _________ open for years at a time. (remain)