Understanding Zero and First Conditionals

What is the structure of a zero conditional sentence?

• If + future simple, future simple.

• If + present continuous, present continuous.

• If + past simple, past simple.

• If + present simple, present simple.

When do we use the first conditional?

• We use the first conditional to express real possibilities in the future.

• To describe hypothetical situations in the present.

• To indicate actions that have already happened.

• To express past events that are certain.

Complete the sentence: If it rains, I _____ (stay) at home.

• might stay

• could stay

• should stay

• will stay

True or False: Zero conditionals are used for general truths.

• True

• False

• Only for scientific facts

• Used for hypothetical situations

Which of the following is a correct zero conditional sentence?

• If it rains, the ground gets wet.

• If you freeze water, it turns to ice.

• If you heat ice, it melts.

• If you heat water, it boils.

Fill in the blank: If you heat ice, it _____ (melt).

• evaporates

• sublimates

• melts

• freezes

What is the main clause in a first conditional sentence?

• The main clause expresses the result and uses the simple future tense.

• The main clause expresses the condition and uses the past tense.

• The main clause is always in the present continuous tense.

• The main clause indicates a hypothetical situation and uses the present simple tense.

Choose the correct form: If she studies hard, she _____ (pass) the exam.

• could have passed

• is passing

• might pass

• will pass

What type of situations do first conditionals refer to?

• Uncertain and vague future scenarios.

• General truths and facts.

• Real and possible future situations.

• Hypothetical and impossible past situations.

Identify the error: If you mix red and blue, you get purple.

• Mixing red and blue results in green.

• You get brown when mixing red and blue.

• Red and blue create orange when mixed.

• No error in the statement.