Natural Disasters & Being Prepared: First Conditionals
Conditionals and time clauses
Answers and an explanation for each question appear once you add this activity to your own library.
Natural Disasters & Being Prepared: First Conditionals
Master conditional clauses (if, unless, as soon as) in safety and survival scenarios.
For Teachers
Guide students through the 4 core rules using disaster-response scenarios, highlighting that present simple follows time/condition markers. Use the 12 staged practice items for individual drills, pair checking, and error review.
For Learners
Study the summary table carefully and pay attention to commas when clause positions switch. Complete all 12 exercises step-by-step and use the bracketed clues whenever you feel unsure.
📋 Core Grammar Rules: Action & Preparedness
4 Key PatternsIf + Present Simple + Will
Predicts a realistic future outcome.
If the alarm rings, we will leave the building.
Unless (= If not)
Always followed by a positive verb to express an exception.
Unless the flood water goes down, the road will stay closed.
When / As soon as
Defines an exact or immediate moment. Never use 'will' directly after.
As soon as the storm ends, the police will check every house.
Clause Order & Commas
If the result clause comes first, do not insert a comma before 'if'.
We will see the path if we take a torch. (No comma)
Put It into Practice
12 targeted challenges graded from recognition to correction.
Choose the Correct Sentence
1. Which sentence correctly states what to do during an earthquake?
Clue: [earthquake]2. Which sentence correctly describes reacting to an emergency alarm?
Clue: [alarm]3. Which sentence has the correct punctuation and clause order to describe using a torch to escape?
Clue: [torch]Rewrite Sentences with 'Unless'
Remember: Unless replaces if not. Write the complete transformed clause.
Original: "If we do not find shelter, the severe storm will cause serious damage."
Original: "If they don't sound the alarm, people will stay in danger."
Original: "If the emergency team does not arrive, we will not escape."
Fill in the Blanks
Write the correct form of the verb in brackets based on conditional rules.
Write the verb in the present simple.
As soon as the rain ____ (stop), we will check the flood damage around the neighborhood.
Write the verb in the present simple.
Unless the city ____ (fix) the damaged bridge, cars will fall into the flood water.
Write the verb in the present simple.
We will call the emergency services immediately if the fire ____ (spread) toward the houses.
Error Correction in Emergency Messages
Find the single grammatical error in each emergency chat and write only the corrected verb form.
💬 Emergency SMS from Community Watch:
"Hi Leo, the flood water is rising fast near the river. As soon as the water will reach our street, we will move things we need upstairs to avoid damage."
Type the correct form to replace the incorrect phrase "will reach":
💬 Rescue Volunteer Group Message:
"Team: The storm knocked out power lines across town. Unless you don't bring a torch, you will face extreme danger moving through the streets."
Type the correct positive verb to replace "don't bring":
💬 School Safety Drill Rules:
"Notice: If an earthquake strikes our area during school hours, we would leave the building and proceed immediately to the emergency shelter."
Type the correct form to replace "would leave":
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