Conditional Sentences MCQs 2026

Choose the correct third conditional.

1. A If he had left earlier, he would have arrived on time. ✓
2. B If he left earlier, he would have arrived. ✓
3. C If he had left earlier, he will arrive. ✓
4. D If he leaves earlier, he arrived. ✓

The tense pattern of the third conditional is: if + past perfect, ___

1. A will + base verb ✓
2. B would + base verb ✓
3. C would have + past participle ✓
4. D present simple ✓

The tense pattern of the second conditional is: if + past simple, ___

1. A will + base verb ✓
2. B present simple ✓
3. C past perfect ✓
4. D would + base verb ✓

"If I were you, I would apologize" expresses

1. A a real situation ✓
2. B a past event ✓
3. C advice using the second conditional ✓
4. D a scientific fact ✓

A comma is normally used when the sentence begins with the

1. A main clause ✓
2. B if-clause ✓
3. C verb ✓
4. D object ✓

"Should you need help, call me" is a ___ form of the first conditional.

1. A formal/inverted ✓
2. B incorrect ✓
3. C past ✓
4. D zero ✓

We usually do NOT use "will" or "would" in the

1. A main clause ✓
2. B if-clause ✓
3. C result clause ✓
4. D question ✓

In first conditional sentences, "will" is used in the

1. A main (result) clause ✓
2. B if-clause ✓
3. C both clauses ✓
4. D neither clause ✓

The sentence "If I had taken the medicine, I would feel better now" is a

1. A zero conditional ✓
2. B first conditional ✓
3. C mixed conditional ✓
4. D imperative ✓

A mixed conditional can combine a past condition with a

1. A future fact ✓
2. B scientific law ✓
3. C command ✓
4. D present result ✓

Complete: "If water reaches 100 degrees Celsius, it ___."

1. A would boil ✓
2. B will boil ✓
3. C boils ✓
4. D boiled ✓

In the zero conditional, both clauses use the ___ tense.

1. A future ✓
2. B past ✓
3. C past perfect ✓
4. D present simple ✓

Choose the correct second conditional.

1. A If I have money, I would buy a car. ✓
2. B If I had money, I would buy a car. ✓
3. C If I had money, I will buy a car. ✓
4. D If I have money, I bought a car. ✓

"Had I known, I would have helped" is an inverted form of the

1. A first conditional ✓
2. B zero conditional ✓
3. C second conditional ✓
4. D third conditional ✓

Choose the correct sentence.

1. A If I will see him, I tell him. ✓
2. B If I see him, I will tell him. ✓
3. C If I saw him, I will tell him. ✓
4. D If I see him, I told him. ✓

"Were it not for your help, I would have failed" means

1. A if it had not been for your help ✓
2. B because of your help ✓
3. C although you helped ✓
4. D after your help ✓

The most likely or real future condition is expressed by the

1. A zero conditional ✓
2. B first conditional ✓
3. C second conditional ✓
4. D third conditional ✓

An impossible or hypothetical present situation is best expressed by the

1. A zero conditional ✓
2. B first conditional ✓
3. C second conditional ✓
4. D imperative ✓

"As long as" and "provided that" can replace

1. A "if" in a conditional ✓
2. B "and" ✓
3. C "but" ✓
4. D "or" ✓

Complete the zero conditional: "If you don't water plants, they ___."

1. A would die ✓
2. B had died ✓
3. C are dying ✓
4. D die ✓

Choose the correct zero conditional.

1. A If you mix red and blue, you got purple. ✓
2. B If you mixed red and blue, you get purple. ✓
3. C If you will mix red and blue, you get purple. ✓
4. D If you mix red and blue, you get purple. ✓

The sentence "If it snows, schools close" is a

1. A zero conditional (general or habitual truth) ✓
2. B third conditional ✓
3. C mixed conditional ✓
4. D imperative ✓

The word that introduces a negative condition (meaning "if not") is

1. A if ✓
2. B unless ✓
3. C because ✓
4. D while ✓

Complete: "I would have gone if I ___ time."

1. A have ✓
2. B will have ✓
3. C had had ✓
4. D have had ✓

"If only I had listened to you" expresses

1. A a regret about the past ✓
2. B a future plan ✓
3. C a scientific fact ✓
4. D permission ✓

The result clause of a second conditional may use "would", "could" or

1. A will ✓
2. B shall ✓
3. C might ✓
4. D must ✓

The word "unless" in a conditional sentence means

1. A if ✓
2. B if...not ✓
3. C because ✓
4. D although ✓

The main purpose of conditional sentences is to express

1. A commands ✓
2. B a condition and its result or consequence ✓
3. C questions only ✓
4. D exclamations ✓

In real conditionals we describe situations that are

1. A impossible ✓
2. B possible or likely ✓
3. C always past ✓
4. D never true ✓

Choose the incorrect conditional sentence.

1. A If you heat metal, it expands. ✓
2. B If I win, I will celebrate. ✓
3. C If I were you, I would rest. ✓
4. D If he will come, I would be happy. ✓

Choose the correct first conditional.

1. A If you study hard, you will pass. ✓
2. B If you study hard, you passed. ✓
3. C If you will study hard, you pass. ✓
4. D If you studied hard, you will pass. ✓

Complete: "Unless you hurry, you ___ the bus."

1. A catch ✓
2. B would catch ✓
3. C had caught ✓
4. D will miss ✓

In the third conditional, the if-clause uses the ___ tense.

1. A present perfect ✓
2. B past simple ✓
3. C past perfect ✓
4. D future ✓

Complete the third conditional: "If she had studied, she ___ the exam."

1. A will pass ✓
2. B would have passed ✓
3. C would pass ✓
4. D passes ✓

The third conditional is used to express

1. A a general truth ✓
2. B a real future ✓
3. C an unreal or hypothetical situation in the past ✓
4. D a present habit ✓

In the second conditional, the main clause uses

1. A will + base verb ✓
2. B present simple ✓
3. C past perfect ✓
4. D would + base verb ✓

Complete the second conditional: "If I ___ rich, I would travel the world."

1. A were ✓
2. B am ✓
3. C will be ✓
4. D have been ✓

The second conditional is used to express

1. A an unreal or unlikely present or future situation ✓
2. B a scientific fact ✓
3. C a real future ✓
4. D a past habit ✓

In the first conditional, the if-clause uses the ___ tense.

1. A past simple ✓
2. B present simple ✓
3. C future ✓
4. D past perfect ✓

Complete the first conditional: "If it rains tomorrow, we ___ at home."

1. A stayed ✓
2. B would stay ✓
3. C will stay ✓
4. D stay ✓

The first conditional is used for

1. A an impossible past ✓
2. B general truths only ✓
3. C an unreal present ✓
4. D a real or likely future possibility ✓

Complete the zero conditional: "If you heat ice, it ___."

1. A will melt ✓
2. B would melt ✓
3. C melted ✓
4. D melts ✓

The zero conditional is used to express

1. A a future plan ✓
2. B an unreal past ✓
3. C a general truth or scientific fact ✓
4. D a wish ✓

The clause that states the condition is called the

1. A if-clause (protasis) ✓
2. B main clause ✓
3. C noun clause ✓
4. D relative clause ✓

A conditional sentence usually contains a clause beginning with

1. A "and" ✓
2. B "if" (the condition) ✓
3. C "but" ✓
4. D "or" ✓