1. Compound words.

In the text in READING there are many compound words, like energy-saving, and water heater. Can you complete these other examples? Check the text if you can't remember.



   

2. Compound words.

Now match the words to the definitions.

 

3. More compound words.

Here are some more definitions. Can you think of the words they describe?

4. Affixes.

Don't overheat or overcool rooms.

You can also form words by adding affixes to some verbs. For example:

heat

overheat
underheat
reheat
preheat


Match each definition on the left with the word that matches it on the right.

5. Affixes.

Look at the definitions below. Next to the definition write a word that means the same.
Add one of the affixes below to the beginning or end of use:

6. Adjectives and verbs.

Are these words adjectives or verbs? Drag them into the correct box.

7. Missing words.

Here are the words from exercise 6.

adjectives: useful, hopeless, homeless, overpriced, overused
verbs: oversleep, overwork, overspend, undercook

Use some of the words above to complete the following sentences. Change the form of the word if necessary.

8. Verbs describing change.

Whenever you save energy, you reduce the demand for gasoline.

Here are more verbs that mean "to make more or less" or "to change in some way". Put the verbs into the correct category.

9. Word building.

How many of the verbs can you turn into nouns? Write them in the NOUN column. Don't forget to include the indefinite article a or an.