Presentation on theme: "CONDITIONAL SENTENCES"— Presentation transcript:
1CONDITIONAL SENTENCES Type 0 - Type 1 - Type 2 - Type 3Mixed ConditionalsSentence connectors showing condition
2Type 0 (general truths)They are used to express something which is always true.We can use WHEN instead of IF.If-clause:Present simpleMain clause:If/When it SNOWS, the roads GET slippery and dangerous.
3imperative, can/may/might/ must/should/could Type 1 (real present)They are used to express real or very probable situations in the present or future.They are also used to give instructions.If-clause:present simpleMain clause:future,imperative, can/may/might/ must/should/couldIf they WORK hard, they WILL FINISH the project on time.If they FINISH the project, CALL me.If they WORK hard, they MAY FINISH the project by next Friday.
4Would/could/might + bare infinitive Type 2 (unreal present)They are used to express imaginary situations which are contrary to facts in the present and, therefore, are unlikely to happen in the present or future.They are also used to give advice.If I DIDN’T HAVE to work so much, I WOULDN’T BE so tired.If-clause:Past simpleMain clause:Would/could/might + bare infinitiveIf the weather WERE better,we COULD / MIGHT HAVE a picnic.
5Would/could/might + have + past participle Type 3 (unreal past)They are used to express situations which are contrary to facts in the past.They are also used to express regrets or criticism.If-clause:Past perfectMain clause:Would/could/might + have + past participleIf he HAD BEEN more careful,he WOULDN’T HAVE MADE such a big mistake.If you HADN’T HAD a lot of luck, you COULD/MIGHT HAVE LOST all your money.
6MIXED CONDITIONALSType 2 – Type 3We can form mixed conditionals, if the context permits it, by combining an if-clause from one type with a main clause from another.The most common types are:If you WERE more sensible, you WOULDN’T HAVE SPOKEN to your parents like that.Type 3 – Type 2If he HADN’T STOLEN all that money, he WOULDN’T BE in prison now.
7OTHER WAYS OF SAYING “IF” EXAMPLESAS LONG ASWe’ll go up to the mountains this weekend AS LONG AS the weather is OK.PROVIDED/PROVIDING (THAT)You can have a pet PROVIDED/PROVIDING THAT you look after it properly.ON CONDITION (THAT)You can have a pet ON CONDITION THAT you look after it properly.SUPPOSE/SUPPOSINGSUPPOSE/SUPPOSING the price of oil tripled tomorrow, what would happen?BUT FOR + nounBUT FOR your help, I wouldn’t have done it.OTHERWISEYou should have your air conditioned serviced. OTHERWISE, you will waste a lot of energy.UNLESSUNLESS governments act now, the environment will suffer.IN CASEIN CASE OF + nounTake a coat with you IN CASE the weather gets worse.IN CASE OF fire, leave the building immediately.