Using the Present Perfect Tense (2)

1. Question

   A number of recent crashes (to raise) questions about the risks of letting new pilots fly at night.

   A.

   raised

   B.

   have raised

   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

   The National Transportation Safety Board (to investigate) the circumstances surrounding these fatal crashes.

   A.

   investigated

   B.

   has investigated

   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

   The board (to state) that approximately eighty people die each year in crashes of privately flown planes.

   A.

   stated

   B.

   has stated

   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

   Evidence (to show) that disorientation is a major risk for inexperienced pilots.

   A.

   showed

   B.

   has shown

   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

   Nevertheless, the Federal Aviation Administration (to announce) that the current rules for new pilots are adequate.

   A.

   announced

   B.

   has announced

   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

   Some experts (to argue) that these types of crashes have decreased in number over the last twenty years.

   A.

   have argued

   B.

   argued

   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

   Other countries, such as Great Britain, (to create) laws that require new pilots to have special instruments for flying at night.

   A.

   have created

   B.

   created

   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

   In many cases, these instruments (to help) disoriented pilots distinguish the earth from the sky.

   A.

   have helped

   B.

   helped

   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

   As a result, the instruments (to prevent) pilots from crashing into the earth.

   A.

   have prevented

   B.

   prevented

   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

    Many Americans (to write) to their representatives and senators to try to get similar legislation passed in the United States.

    A.

    have written

    B.

    wrote

    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.