The International Union for Conservation of Nature decided to add almost 2,000 species

to its 2012 Red List of endangered species. [add]

 

--S-4b Verb Forms

EXERCISE 3 / Gerunds and Infinitives. Fill in each blank with either the GERUND or the

INFINITIVE form of the verb given in brackets after the sentence. Answers to even-numbered

items can be found at the back of the book.

EXAMPLE

1. Failure to enforce laws against _______________ is devastating many species in Africa.

[poach]

2. The Western Black Rhinoceros recently became extinct because of illegal

_______________ . [hunt]

3. Poachers expect _______________ a handsome price for rhinoceros horn, which has long

been considered an aphrodisiac. [receive]

4. Few poachers end up ______________ any significant punishment for their crimes.

[receive]

5. Conservationists cannot stop ______________ about endangered species. [think]

6. Poachers do not seem _______________ about a more sustainable way to earn a living.

[think]

7. Some conservationists have started _______________ the eastern black rhino. [breed]

8. Other rhino populations—for example, the northern white rhino—are also facing danger from

______________ . [poach]

9. Why do so few poachers want _______________ with conservation efforts? [cooperate]

10. Authorities who enforce antipoaching laws risk ______________ targets themselves.

[become]

Name: _____________________________________________________ Class/section: ________________________________