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Your goal for Must be, might be, can't be: reading the situation
Must be, might be, can't be: reading the situation: Must, might and can't express different levels of certainty based on present evidence. Success means that the learner speculates about present evidence with graded certainty.
Make a first attempt before reading the models
Respond to this prompt in two or three sentences: Must be, might be, can't be: reading the situation. Keep the attempt. You will compare it with a second version after the lesson.
Four models with different jobs
| Move | Model | Reason |
|---|---|---|
| Notice | The lights are on, so someone must be home. | Match the grammar to how real or certain the situation is. |
| Develop | She might be on the bus; I am not sure. | Keep verb forms controlled after modal verbs and if. |
| Apply | That can't be Bilal because he is abroad. | Adjust directness when advice affects another person's choice. |
| Check | They may be waiting near the other gate. | The final model shows a usable outcome. |
What an effective response is doing: Must be, might be, can’t be: reading the situation
They are not moral rules in this use.
- Match the grammar to how real or certain the situation is.
- Keep verb forms controlled after modal verbs and if.
- Adjust directness when advice affects another person's choice.
Return to your first attempt. Underline the part that meets the outcome, then identify the exact place where the listener or reader may struggle.
Read the context before choosing the language
The technically correct sentence is not automatically the best sentence. Consider who is listening, what they already know, how much certainty you have and whether the moment calls for directness or explanation.
For Must be, might be, can't be: reading the situation, keep the factual meaning stable while changing detail, register or pacing for a class discussion, a friend, a public presentation or a written response. Do not make a claim stronger than the available information.
Two errors that change the result
Language problem
Someone must to be home.
Compare it with: The lights are on, so someone must be home.
Task problem
That doesn't must be Bilal.
Compare it with: She might be on the bus; I am not sure.
Move from recognition to production: Must be, might be, can’t be: reading the situation
- Explain why models one and two are different.
- Complete one controlled sentence using the lesson pattern.
- Change the audience and rewrite the sentence without changing its central meaning.
- Complete the production task: Speculates about present evidence with graded certainty.
- Compare your two attempts for accuracy, organisation and ease of understanding.
Check the target English
Production task and self-check: Must be, might be, can’t be: reading the situation
Speculates about present evidence with graded certainty.
- The response completes the named task, not a different easier task.
- The main idea is identifiable in the opening sentences.
- Examples support the central point.
- Grammar errors do not hide the relationship between ideas.
- The second version improves one measurable feature.
Connect Must be, might be, can't be: reading the situation to earlier English: Must be, might be, can’t be: reading the situation
Say The lights are on, so someone must be home.
from memory. Add one clause, contrast or time marker from the previous lesson. Keep the addition only if it makes the meaning more precise.
Change the audience, keep the meaning
Rewrite That can't be Bilal because he is abroad.
for two settings: a conversation with a friend and a more formal class or community discussion. Notice which words change and which facts must remain stable.
Twenty-minute application
Complete the production task for Must be, might be, can't be: reading the situation today. Keep your first and final versions on your own device. The comparison should show a clearer, more accurate or better organised response.
The standard to carry forward: Must be, might be, can’t be: reading the situation
You should now be able to speculate about present evidence with graded certainty. If the target is not yet stable, repeat the same task with a new topic before moving on.
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