Unit 4
Environmental conservation
Activity 1: Fill in the blanks with words from the blue box to describe the pictures
Thein Tanzania is beautiful, with green plants, wild animals, and fresh air.
There is a lot ofpolluting the environment in Tanzania.
The people aremaize to help the environment and grow healthy food.
We must protect theto keep animals and nature safe.
makes the air, water, and land dirty and dangerous for people and animals.
We all worked together tothe village and make it beautiful again.
can harm the environment and take away food and shade.
We canplastic bottles to protect the environment and reduce waste.
Tanzania is home to amazinglike elephants, lions, and giraffes.
Using solar energy is away to get electricity without harming the environment.
Activity 2: Listen to the story and decide if the statements are true or false
The children saw a clean river with no rubbish.
false
true
Amani and Salma decided to clean the area near the river.
false
true
The children used sticks and leaves to clean the environment.
true
false
Other children joined Amani and Salma to help.
false
true
The old man told the children they should not clean.
false
true
After cleaning, the place looked better and the animals had more space.
false
true
Amani said they should never clean the river again.
false
true
Salma and Amani learned that using a bin is better than throwing rubbish on the ground.
true
false
Activity 3: Match the words from the left side with the right side to build meaningful sentences
You found 0 of 10 pairs.
No matches yet
Activity 4: Learn about auxiliary verbs
1. can – "I am able to / I know how to"
✅ Use can to talk about ability or permission.
Examples:
- I can ride a bicycle. (= I know how)
- Can I go to the toilet? (= asking for permission)
2. may – "Is it okay?"
✅ Use may to ask permission in a polite way.
Examples:
- May I go outside, teacher?
- You may have another chapati.
💡 "May" is more polite than "can".
3. should – "It’s a good idea."
✅ Use should to give advice or say what is right.
Examples:
- You should help your little brother.
- We should throw rubbish in the bin.
4. will – "It will happen / I promise"
✅ Use will to talk about the future or to promise something.
Examples:
- I will do my homework.
- We will plant trees tomorrow.
5. Quick Summary:
- "Can" = ability
- "May" = polite permission
- "Should" = advice
- "Will" = future / promise
Activity 5: Fill in the blanks - using "can", "will", "may", and "should"
Weplant trees next weekend to help the environment.
Herun very fast.
Youput waste in the bin.
Youborrow my pencil if you need it.
Youalways say "thank you" to be polite.
Ispeak both Swahili and English.
Younot throw rubbish on the ground.
Wekeep our village clean to save the environment.
Activity 6: Complete the missing blanks of each question or answer
a) Fill in the answers
"Can you swim across the river?" - "No,"
"May I start eating now?" - "No,"
"Will you plant trees with us on Saturday?" - "Yes,"
"Should they throw plastic bottles into the river?" - "No,"
"May I drink water during the lesson?" - "Yes,"
b) Fill in the questions
"use your pen for the test?" - "Yes, you may."
"rain this afternoon?" - "Maybe, but I think it will not."
"sit near the window?" - "Yes, you may."
"recycle plastic bottles?" - "Yes, we should."
"borrow your book for one night?" - "Yes, you can."
Activity 7: Learn more auxiliary verbs
1. could – "I was able to / I might be able to"
✅ Use could to talk about:
- Ability in the past
- Polite requests
- Possibility
Examples:
- I could swim when I was five. (past ability)
- Could you help me, please? (polite request)
- We could go to the park if it is sunny. (possibility)
2. might – "Maybe / It is possible"
✅ Use might when something is possible, but not sure.
Examples:
- It might rain today.
- She might visit us tomorrow.
💡 "Might" shows less certainty than "will."
3. would – "I would do it if..."
✅ Use would to talk about:
- Imaginary situations
- Polite offers and wishes
Examples:
- I would help if I had more time. (imaginary)
- Would you like some tea? (polite offer)
4. ought to – "You should / It is the right thing"
✅ Use ought to to talk about:
- Advice or moral duty
Examples:
- You ought to be kind to your classmates.
- We ought to protect the environment.
💡 "Ought to" is similar to "should," but sounds a little stronger.
5. Quick Summary:
- Could = polite/capable/possible
- Might = maybe
- Would = polite/imaginary/future after "if"
- Ought to = moral advice, stronger than "should"
Activity 8: Fill in the blanks - using "could", "would", "ought", and "might"
Weto recycle plastic bottles to protect the environment.
Itbe too late to catch the bus.
Iplant more trees if I had more seeds.
Iride a bicycle when I was seven.
Youto finish your homework before playing.
Ilike to sit next to you.
Itrain later, so bring your jacket.
Wesave many animals if we protect the forests.
Activity 9: Fill in the missing words in each question or answer
a) Fill in the answers
"Will it rain today?" - "Itrain. The sky looks very dark."
"Should we start the clean-up project today?" - "Itbe better to wait until tomorrow. It's raining now."
"What would you do with more land?" - "Iplant more trees and maize."
"What do you do with your many extra pencils?" - "Ito give one to Mussa. He forgot his."
b) Fill in the questions
"we visit the park after lunch?" - "Yes, we could."
"Do you think Rehemacome?" - "I do not think so. She might be late because she missed the bus."
"you like to join?" - "Yes, I would like to join."
"you help me?" - "Yes, I could."
Activity 10: Choose the correct auxiliary verb
People _______ plant more trees in their community to save the environment.
will not
would
should not
should
It _______ rain later, so we should clean the area now.
ought to
might not
could not
might
I ________ bring a bag for collecting rubbish if I had one at home.
will
would not
will not
would
Furaha _______ help clean the school compound tomorrow because she promised to join us.
would not
would
will
will not
Yohana _______ come today because he is sick.
might
will
might not
may
We _______ take care of animals in the forest because they are part of our environment.
could
should not
ought to
may not
Activity 11: Fill in the blanks with the correct auxiliary verb
In our village, we all know that weprotect nature if we work together. Weplant trees to make our land green again. Tomorrow after school, weclean the playground and collect waste because itnot rain. All my friendshelp because they promised to join. However, Jumahelp because he has been sick for five days. After cleaning, we hopefullyplay on a clean playground!