Unit 11. Our greener world. Lesson 3. A closer look 2

Welcome to our class
Period 88
Unit 11 (con’t)
Lesson 3: A closer look 2
If + subject + V (present simple),

subject + will/won’t + V (base form)
If-clause
Main clause
Ex: If we all use this kind of bag, we’ll help the environment.
If-clause
Main clause
I. Grammar: Conditional sentences: type 1
1.Form:
2. Use:
- To describe a thing which is possible and likely to happen in the present or the future.
2: Write the correct form of each verb in brackets
1. If it (be) …… sunny next week, we (plant) ……the vegetables.
If we (recycle) ………….more, we (help) … ……..
our Earth.
3. We (save) ……………a lot of trees if we (not waste) ……………….so much paper.
4. More people (have) ………………..fresh water if we only (use) ………the water we need.
If the river (not be) …………….dirty, there (be)……... ..………more fish
is
will plant
recycle
will help
will save
don’t save
will have
use
isn’t ̀
will be
3: Match an if-clause in column A with a suitable main clause in column B
4. Combine each pair of sentences below to make a conditional sentence – type 1.
We pollute the air. We have breathing problems.
People pollute the water. A lot of fish die.
We cut down trees in the forest. There are more floods.
The soil is pollutes. Plants die.
There is noise pollution. People and animals have hearing problems.
you will help reduce air pollution.
you will save trees.
the sea level will rise.
children will help the environment.
you will have to turn off the lights before going out.
Homework
Write five conditional sentences –type 1
Do B3,4,5/34,35.
Prepare for Communication.