Using the Present Perfect Tense (2)

1. Question

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   Using the Present Perfect Tense (2) - For each of the following sentences, choose the correct present perfect form of the verb.: A number of recent crashes (to raise) questions about the risks of letting new pilots fly at night.

2. Question

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   Using the Present Perfect Tense (2) - For each of the following sentences, choose the correct present perfect form of the verb.: The National Transportation Safety Board (to investigate) the circumstances surrounding these fatal crashes.

3. Question

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   Using the Present Perfect Tense (2) - For each of the following sentences, choose the correct present perfect form of the verb.: The board (to state) that approximately eighty people die each year in crashes of privately flown planes.

4. Question

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   Using the Present Perfect Tense (2) - For each of the following sentences, choose the correct present perfect form of the verb.: Evidence (to show) that disorientation is a major risk for inexperienced pilots.

5. Question

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   Using the Present Perfect Tense (2) - For each of the following sentences, choose the correct present perfect form of the verb.: Nevertheless, the Federal Aviation Administration (to announce) that the current rules for new pilots are adequate.

6. Question

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   Using the Present Perfect Tense (2) - For each of the following sentences, choose the correct present perfect form of the verb.: Some experts (to argue) that these types of crashes have decreased in number over the last twenty years.

7. Question

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   Using the Present Perfect Tense (2) - For each of the following sentences, choose the correct present perfect form of the verb.: Other countries, such as Great Britain, (to create) laws that require new pilots to have special instruments for flying at night.

8. Question

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   Using the Present Perfect Tense (2) - For each of the following sentences, choose the correct present perfect form of the verb.: In many cases, these instruments (to help) disoriented pilots distinguish the earth from the sky.

9. Question

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   Using the Present Perfect Tense (2) - For each of the following sentences, choose the correct present perfect form of the verb.: As a result, the instruments (to prevent) pilots from crashing into the earth.

10. Question

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    Using the Present Perfect Tense (2) - For each of the following sentences, choose the correct present perfect form of the verb.: Many Americans (to write) to their representatives and senators to try to get similar legislation passed in the United States.