Using the Present Perfect and Past Perfect Tenses

Complete each of the following sentences by choosing the correct form of the verb.

For help with this exercise, see sections 25c and 25d of Foundations First, Fifth Edition.

  1. Question

    Some people claimed that in 1816 pirates _______________ treasure on one of the islands.

    A.
    B.

    Using the Present Perfect and Past Perfect Tenses: Complete each of the following sentences by choosing the correct form of the verb. - Some people claimed that in 1816 pirates _______________ treasure on one of the islands.
  2. Question

    For years, the U.S. Navy _______________ an airport for its planes there, but that is gone.

    A.
    B.

    Using the Present Perfect and Past Perfect Tenses: Complete each of the following sentences by choosing the correct form of the verb. - For years, the U.S. Navy _______________ an airport for its planes there, but that is gone.
  3. Question

    By the 1970s, the U.S. Energy Department _______________ that nuclear waste be dumped on these uninhabited islands.

    A.
    B.

    Using the Present Perfect and Past Perfect Tenses: Complete each of the following sentences by choosing the correct form of the verb. - By the 1970s, the U.S. Energy Department _______________ that nuclear waste be dumped on these uninhabited islands.
  4. Question

    Until recently, a private owner _______________ control of the islands for many years.

    A.
    B.

    Using the Present Perfect and Past Perfect Tenses: Complete each of the following sentences by choosing the correct form of the verb. - Until recently, a private owner _______________ control of the islands for many years.
  5. Question

    Investors _______________ to build a hotel and casino, but the owner refused.

    A.
    B.

    Using the Present Perfect and Past Perfect Tenses: Complete each of the following sentences by choosing the correct form of the verb. - Investors _______________ to build a hotel and casino, but the owner refused.
  6. Question

    By 2000, the owner _______________ these fifty-two islands to a nature conservation organization.

    A.
    B.

    Using the Present Perfect and Past Perfect Tenses: Complete each of the following sentences by choosing the correct form of the verb. - By 2000, the owner _______________ these fifty-two islands to a nature conservation organization.
  7. Question

    This group bought the islands because it _______________ that their natural beauty would be ruined.

    A.
    B.

    Using the Present Perfect and Past Perfect Tenses: Complete each of the following sentences by choosing the correct form of the verb. - This group bought the islands because it _______________ that their natural beauty would be ruined.
  8. Question

    These nature lovers _______________ to protect the plants, animals, and coral reefs on the islands forever.

    A.
    B.

    Using the Present Perfect and Past Perfect Tenses: Complete each of the following sentences by choosing the correct form of the verb. - These nature lovers _______________ to protect the plants, animals, and coral reefs on the islands forever.
  9. Question

    Since the islands were sold, scientists _______________ the plants and seabirds that thrive there.

    A.
    B.

    Using the Present Perfect and Past Perfect Tenses: Complete each of the following sentences by choosing the correct form of the verb. - Since the islands were sold, scientists _______________ the plants and seabirds that thrive there.
  10. Question

    Tourists _______________ permission to visit these islands, but the nature group is not eager to have them.

    A.
    B.

    Using the Present Perfect and Past Perfect Tenses: Complete each of the following sentences by choosing the correct form of the verb. - Tourists _______________ permission to visit these islands, but the nature group is not eager to have them.