Using the Present Perfect and Past Perfect Tenses

1. Question

   9jxiIojt9VNBYj+geiwSHyF+VdkwqYflvKoPuXGtwJEK1vueuzk5GjjwcDFKPVOTGRvQ+tAm1OUPiY/9ecLsJGhZaZH/IcINcgTo1ZUyypIPLJAmsn7w/6XS5mMjRlcb6KeqxjENdftTbSNljDuTS/wHCiDGbL09jsR5w3TjSBqVUe5oaP0ykZoP1FoAFuLV

   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

   ml70nAqfU7kRzaEqFQBItLAJhvPlLMIi7VVI8z2VXqA/Bex0/z57rPAol1Ig5TCo0GScU6quDeMQSzJ+qb6XF+Lpnx/2ghb0EgNERE76wdlpvj1Ew4bt+XjkVrQ2jPQmKFsRxnCWtrH0ENCA3Hauuou0aTNStNc6UeL0tK+Vjys4nnRevfWmerb1x09B9gsaI6UaICjfffj54i3S

   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

   CYgaPEz+ZQL4zZoU2/knqHrW/QowD6cRzY0VWKUJCpkiuahi3gB79l7iao2p0GD9d/sgOxy4TaTZLpL81iKKU1jMHcnGx7x5b2NZTjc0+8YC2S5gOUJw9Ax9SFnaX76gls5xeKkAWXP/pJ439ElpxKik2V7tJpjC1kiXvMzfzg3O3pTccUGYbR5CcWHp1Qk3gk6j2ZAvEYMD1Miz7ohiyClGDLUtck4pybdtOabZsVE=

   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

   ZE3xIIJUfCW3BXplVu3SX8TGhXgLkcsUu/PwCQwtf0jTijnCE9JQQMaB/4JVTXUz7vIkrS1/H4cwhFPCF+fM4Tg1o0b6XhMmTXJr4xRi6WffiI2OPvjDd8L/jQsJVbsKJP/z6hVXxtxEWoT3O6Zv6nAEaEUPpjnh/OimoKXt3+w50YggqG2AswhcE4w=

   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

   zbUjiDKMIFyAsv14Df1iYEerzgBo1kcgnpV8x8XScjjgOSdbBWFAXKieQ0yp82nXDT4lPT/SV7kxN7pD1GVnafX1kzWFUSmt8y8FMH4cTiPapYiJ3BUY6eHPeCCr/DYmQS94p0EukR23IdUv5PvCIuDDcIKOjChKZndk/+fTKhyaij9b9KsZyg==

   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

   79dsMpfBH0FazsqcygFOKitfgH2MFNr7KcA/5Eme18zCETW+bpKHp27NHmHm0iuvcrb6A6W6ve5/YJIRzyNF5B3XwUvvZMgbj9Br4+jTrFHE9Pa/u9PTcDLwnTbKE7lJs1dTGb6a0kZQBNLdOCqpxxSXZ4D1r3RMNbsXzdvMlAP9mTpscO6XgXIIrxMpaETF7mN4Vw==

   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

   n1Dr2D6gZE315Wi0KKGHi9G2I5YPN6GvgMi/P47R5w+rbLu96O0hOHr+mTnq+H0pH1FO1iq/50rK6Ja2Q7EQX7DK3T9UAxmQN27MoKZIInB53jmiPshb5/baoqVPmICNbFqpHty5/BiO77bIDYYUcKRUua9kQoBHLHA6mq33Mkh1yW0fKZ7lIdhuETX/n0SoTaXznLqUfAFO9v66

   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

   MEiqFWDriF1OGtTRJkffLhZ37Kbuy+5LnUvSxEaaTDUOPvs16Hh6TWmzBAvSAUzdyevxinK+3ngJYjUChfd8QpADLBcsT9wYFRbV5dWSfA5XjQt1XFj0VhyVq2aBXAzkYlf0/RsMAR//Bls18LcYp3Ykmv1BxCG5gAs1Re96SQxo5MQsJpJTNYe5eHQgrFa7ilpP7vprbybLSvvRVs7jakJ1Ry4savU7

   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

   jSSSxZQcp9pvJyDhhZIQUkNfESJqup79Hf6NumNMoMLhC/JBGvAqCIbeAoGspC7BXmy1t5vImIHxWw+flvkpD0TqH66SN+ky+N6a8oCk5lPDeTHrWbI/5shiZeZeiUH4+NXs6g5S3+TrO7fHfNoD+ygQkTDPVQ/C/Blwf9075YdLEQosELh9Rmna8xYTA6OkKyxE5qK6Gl73qdg+

   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

    vCdzrYKhF9cPslZKtz/qFxcpACc8miqqNq6FiWaRpNrz4WiLYfqq4q5+0cdpx+f5pCPxdKgxa3cOk2a/EpjqNfh/cpCgMjvgG7lO9fjGpsyM9Vihd6x7/7X9deAnkgtXIq6IuGjOB/hF5lVQquvH0zqlbTGKHNuOR4QEPQhEeJK0ty0Dd4qVU3lc2rBqhwefb8XtfOZcbDE1i6cXd5ikHNN07nCB/DE4

    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.