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      If Leon had known about the problem, he would have helped. If you hadn't overslept, we wouldn't have been late.     Use this to talk about a hypothetical situation and result in the past. The situation cannot be changed.   start learning
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      hypothetical past conditional (third conditional) If Leon had known about the problem, he would have helped. If you hadn't overslept, we wouldn't have been late.     conditional clause: if+past perfect; result clause: would/might/could + have + past participle  
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      If I hadn't been sitting there, we wouldn't have met.     For a longer action, use the past perfect continuous   start learning
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      hypothetical past conditional (third conditional): If I hadn't been sitting there, we wouldn't have met.     conditional clause: if+past perfect continuous; result clause: would/might/could+have+past participle  
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      Why didn't you tell me you wanted some grapes? I could have bought you some.     It is common to use only one clause of the full conditional. Result clause.   start learning
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      hypothetical past conditional (third conditional) Why didn't you tell me you wanted some grapes? I could have bought you some.   
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      I'm surprised Paul didn't tell her what he thought. I would have said something.     It is common to use only one clause of the full conditional. Result clause.   start learning
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      hypothetical past conditional (third conditional) I'm surprised Paul didn't tell her what he thought. I would have said something.   
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      Would you have done it? Yes, if I'd noticed in time.     It is common to use only one clause of the full conditional. Conditional clause.   start learning
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      hypothetical past conditional (third conditional) Would you have done it? Yes, if I'd noticed in time.   
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      If she hadn't missed her plane, she'd be in Mexico now. If I'd been successful in the exam, I might have a better job now.     Use this to talk about a hypothetical condition in the past with a result in the present.   start learning
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      mixed conditional: If she hadn't missed her plane, she'd be in Mexico now. If I'd been successful in the exam, I might have a better job now.     conditional clause: if+past perfect; result clause: would/might/could+infinitive  
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      You would have known about the meeting if you'd checked your emails. You wouldn't need a visa to work in Australia if you'd been born there.     Note the non-use of the comma.   start learning
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      It is possible to change the order of the clauses.   
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      In the conditional clause use: the past perfect    start learning
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      to talk about the hypothetical past.   
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      In the result clause use: modal+have+past participle    start learning
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      In the result clause use: modal+infinitive    start learning
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      to talk about the present.   
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      If the builders had begun the job two weeks ago,     a) they might have finished it by now. b) they might finish it by now.   start learning
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      If the builders had begun the job two weeks ago, they might have finished it by now.   
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      If Chun had started the race better,     a) she could win the gold medal. b) she could have won the gold medal.   start learning
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      If Chun had started the race better, she could have won the gold medal.   
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      a) if you hadn't given me the wrong directions. b) if you gave me the wrong directions.   start learning
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      We wouldn't be lost, if you hadn't given me the wrong directions.   
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      If Marco hadn't ignored my advice,     a) he wouldn't be in this mess now. b) he couldn't have been in this mess now.   start learning
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      If Marco hadn't ignored my advice, he wouldn't be in this mess now.   
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      I would have noticed the hole in the ground     a) if I hadn't thought about something else. b) if I hadn't been thinking about something else.   start learning
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      I would have noticed the hole in the ground if I hadn't been thinking about something else.   
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      Beth didn't study. She didn't pass the exam.    start learning
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      If Beth had studied, she could have passed the exam.   
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      You didn't invite me to the party. That's why I didn't come.    start learning
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      If you had invited me to the party, I would have come.   
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      Ludmila lost all her money on the stock market. That's why she's not rich now.    start learning
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      If Ludmila hadn't lost all her money on the stock market, she would be rich now.   
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      Greg wasn't travelling fast. That's probably why he didn't hit the motorcyclist.    start learning
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      If Greg hab been travelling fast, he might have hit the motorcyclist.   
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      They stopped the fire. That's probably why it didn't destroy most of the building.    start learning
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      If they hadn't stopped the fire, it could have destroyed most of the building.   
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      The plant died because you didn't water it.    start learning
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      The plant would not have died, if you had watered it.   
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      Mei-li was able to afford a new car because she had just won some money.    start learning
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      Mei-li couldn't have afforded a new car, if she hadn't just won some money.   
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      We were working together in Tokyo and now we're married.    start learning
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      If we hadn't been working in Tokyo, we wouldn't be married now.   
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