#### GRAMMAR FOCUS Real Conditional
If/when + The Present Simple | The Future Simple
• If my friend invites me, | we shall go to the party.
• When Jane returns, | she will help me.

3

IW. Use the verbs in brackets in the correct tense form. Pay attention to the usage of "If" and "when".

1. If pollution (to disturb ) the balance in nature all living things (not to live ) in harmony.
2. If the air and the water (to be) polluted, many species of plants and animals (to disappear).
3. We (to put ) up a tent when we (to go ) to the camp.
5. When we (to go ) camping we never (to make ) campfires.
6. If we (not to pay ) attention to pollution, our Earth (not to be safe ) to live in.

4

IW. Read the poem, find what season it is matching 1-4 with a-d.

1. Who loves the trees best?
“I” said the ...,
Green leaves so beautiful
To them I bring.
2. Who loves the trees best?
I “said” the ...
I give them flowers,
White, pink and red.
3. Who loves the trees best?
“I” ... said,
I give them ripe fruit,
Golden and red.
4. Who loves the trees best?
I love them best,
White ... answered,
I give them rest.
Note!

The tallest and strongest trees are in California. They are 378feet/115 meters tall. They are 40,000 years old.