Conditional Clauses (if + present/past)

1 If-clause + Comma + Main clause
2 OR: Main clause + Comma + If-clause
3 Example: "If it rains, I will stay home" OR "I will stay home if it rains"
4 The comma is used when the if-clause comes first

1 The if-clause expresses the condition
2 The main clause expresses the result
3 The condition must be met for the result to occur
4 Both parts are necessary for a complete conditional sentence

1 Used for real possibilities in the future
2 If-clause: Present simple tense
3 Main clause: Will + base verb
4 Example: "If it rains tomorrow, I will stay at home"
5 The condition is likely to happen

1 If I study hard, I will pass the exam
2 If it doesn't rain, we will go to the beach
3 If you help me, I will finish the project
4 If she arrives late, she will miss the train
5 If they invite me, I will attend the party

1 Used for unreal or hypothetical situations
2 If-clause: Past simple tense (were for all subjects)
3 Main clause: Would + base verb
4 Example: "If I were rich, I would travel the world"
5 The condition is unlikely or impossible

1 If I were taller, I would play basketball
2 If I had more money, I would buy a car
3 If she studied harder, she would pass the exam
4 If I were you, I would accept the offer
5 If it rained today, we would stay inside

1 If-clause: Past perfect + Main clause: Would + base verb
2 Used for past conditions affecting present results
3 Example: "If I had studied harder, I would be a doctor now"
4 If-clause: Past simple + Main clause: Would have + past participle
5 Used for present conditions affecting past results

1 If I had worked harder, I would have a better job now
2 If I were rich, I would have bought that house
3 If she had listened to advice, she wouldn't be in trouble
4 If I knew French, I would have traveled to Paris

1 Used for general truths and scientific facts
2 If-clause: Present simple tense
3 Main clause: Present simple tense
4 Example: "If you heat water to 100°C, it boils"
5 Both clauses use present simple tense

1 If you exercise regularly, you stay healthy
2 If water freezes, it becomes ice
3 If plants don't get sunlight, they die
4 If you touch fire, you get burned
5 If the sun rises, it's morning

1 If you heat ice, it melts → Zero (general truth)
2 If I win the lottery, I will buy a house → First (real possibility)
3 If I were taller, I would play basketball → Second (unreal situation)
4 If it rains tomorrow, we will cancel the picnic → First (real possibility)
5 If water reaches 100°C, it boils → Zero (scientific fact)

1. Zero: Present + Present (general truths)
2. First: Present + Will (real possibilities)
3. Second: Past + Would (unreal situations)

1 If I _____ (be) rich, I would travel the world. → were
2 If it _____ (rain) tomorrow, we will stay at home. → rains
3 If you _____ (study) hard, you will pass the exam. → study
4 If I _____ (have) more time, I would read more books. → had
5 If water _____ (freeze), it becomes ice. → freezes
6 If I _____ (win) the lottery, I would buy a car. → won

1. were, 2. rains, 3. study, 4. had, 5. freezes, 6. won

1 Study hard → Pass exam → If you study hard, you will pass the exam
2 Not sleep enough → Feel tired → If you don't sleep enough, you will feel tired
3 Win lottery → Buy house → If I won the lottery, I would buy a house
4 Exercise regularly → Stay healthy → If you exercise regularly, you stay healthy
5 Rain → Stay inside → If it rains, we will stay inside

1 ❌ "If I will be rich, I will travel" → ✅ "If I am rich, I will travel" (Don't use will in if-clause)
2 ❌ "If I was taller, I would play" → ✅ "If I were taller, I would play" (Use were for all subjects in second conditional)
3 ❌ "If it rains, I stay at home" → ✅ "If it rains, I will stay at home" (Use will for first conditional)
4 ❌ "If I study, I would pass" → ✅ "If I studied, I would pass" (Use past tense for second conditional)

1 ❌ "If I will study, I will pass" → ✅ "If I study, I will pass" (First conditional)
2 ❌ "If I studied, I will pass" → ✅ "If I studied, I would pass" (Second conditional)
3 ❌ "If water boil, it turns to steam" → ✅ "If water boils, it turns to steam" (Zero conditional)

A: What would you do if you won the lottery?
B: If I won the lottery, I would travel around the world. What about you?
A: If I had a lot of money, I would buy a big house. But that's just a dream!
B: Yes, if I were rich, life would be so different. But if I work hard, I might achieve my goals.
A: Exactly! If you study hard now, you'll have a better future.
B: That's true. If we both work hard, we'll succeed in life.

• 1 Pay attention to the correct conditional forms
• 2 Use "were" for all subjects in second conditional
• 3 Practice with a partner if possible
• 4 Focus on natural rhythm and intonation

Which conditional is used for real possibilities in the future?:
A) Zero Conditional
B) First Conditional
C) Second Conditional
Answer: B) First Conditional

What is the correct form for second conditional?:
A) If + present, will + verb
B) If + past, would + verb
C) If + present, present
Answer: B) If + past, would + verb

Which sentence uses zero conditional?:
A) If I study, I will pass
B) If I studied, I would pass
C) If water freezes, it becomes ice
Answer: C) If water freezes, it becomes ice

• Zero: If + Present, Present (general truths)
• First: If + Present, Will + Verb (real possibilities)
• Second: If + Past, Would + Verb (unreal situations)
• Mixed: Past Perfect/Past + Would + Verb (mixed time frames)

• Don't use "will" in if-clauses
• Use "were" for all subjects in second conditional
• Zero conditional expresses general truths
• First conditional expresses real future possibilities
• Second conditional expresses unreal or hypothetical situations