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Modal Verbs Certainty Practice

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Modal Verbs Certainty Practice

Modal Verbs Certainty Practice

Certainty thermometer illustration

🌡️ Part 1: Certainty Thermometer

Instructions: Look at the sentences below. Match each sentence to the correct certainty level by writing the letter next to the percentage.

1. Match the sentences to their certainty levels:
A. You must wear your school uniform.
B. You might need a jacket today.
C. You should definitely submit homework on time.
D. You could bring your lunch from home.
E. You will probably enjoy the excursion.
100% Certain
90% Very Likely
70% Probable
50% Possible
30% Unlikely

📝 Part 2: Identifying Modal Verbs and Adverbs

2. Circle the modal verbs and underline the certainty adverbs in these sentences:

a) Students must definitely wear their hats during lunch.

b) You might possibly need extra pencils for the test.

c) We should probably arrive early for assembly.

d) You could certainly ask for help if needed.

3. Choose the correct modal verb for each sentence (circle one):

The weather forecast says it _______ rain today.

must

might

will

Students _______ complete their homework before playing.

could

should

might

🔄 Part 3: Rewriting School Rules

4. Rewrite these school rules to make them LESS certain (softer):

Original: Students must wear their school uniform every day.

Rewritten: _________________________________________________

Original: You will definitely get detention for being late.

Rewritten: _________________________________________________

5. Rewrite these sentences to make them MORE certain (stronger):

Original: You might want to bring a water bottle.

Rewritten: _________________________________________________

Original: Students could possibly join the choir.

Rewritten: _________________________________________________

🎯 Part 4: Swap One Word Challenge

6. Change ONE word in each sentence to alter the certainty level. Write the new sentence and explain how the meaning changed:

Original: You must clean your desk before going home.

Original: The library will definitely be open tomorrow.

Original: You might possibly need a calculator for maths.

📚 Part 5: Fill in the Blanks

7. Complete these sentences using appropriate modal verbs or certainty adverbs from the word bank:

Word Bank: must, might, should, could, will, definitely, probably, possibly, certainly, maybe

a) Students _________ wear closed-toe shoes in science class for safety.

b) The school fete _________ _________ be cancelled if it rains heavily.

c) You _________ _________ enjoy the new playground equipment.

d) Late assignments _________ _________ receive a lower grade.

e) The excursion _________ go ahead as planned tomorrow.

🤔 Part 6: Reflection Questions

8. Explain how changing modal verbs or adverbs can affect how a sentence sounds:
9. Why might we want to use softer or stronger words when speaking or writing? Give an example:
10. Create your own sentence using a modal verb and certainty adverb. Then rewrite it with a different certainty level:

Original sentence: ________________________________________

Rewritten sentence: ______________________________________

How did the meaning change? ________________________________

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