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开始学习
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if + present simple + present simple
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real (first) conditional: 开始学习
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if + present simple + will/going to/can/could/may/might/should + infinitive
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hypothetical (second) conditional: 开始学习
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if + past simple + would/could/might/should + infinitive
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to talk about a real situation that is always or generally true with a result that always happens 开始学习
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if + present simple + present simple if + (conditional clause) + (result clause)
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to talk about a real possibility in the present or future, 开始学习
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if + present simple + will/going to/can/could/may/might/should + infinitive if + (conditional clause) + (result clause)
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hypothetical (second) conditional to talk about a hypothetical or unreal situation in the present or future, 开始学习
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if + past simple + would/could/might/should + infinitive if + (conditional clause) + (result clause)
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to talk about a real situation that is always or generally true with a result that always happens If you pay by debit card, you get 5 percent discount. 开始学习
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use the real (zero) conditional if + present simple (conditional clause); present simple (result clause)
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to talk about a real possibility in the present or future, If you put in the wrong PIN number, the machine will take your card. 开始学习
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use the real (first) conditional if + present simple (conditional clause); will/going to/can/could/may/might/should + infinitive (result clause)
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to talk about a hypothetical or unreal situation in the present or future, If Valerie practised more, she could be really good. 开始学习
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use the hypothetical (second) conditional, in the main clause, use might/could if + past simple (conditional clause); would/could/might/should + infinitive (result clause)
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开始学习
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in the main clause, use may/might/can/could/ instead of will
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If your card gets stuck, you should ring the number on the machine. 开始学习
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If I were you, I'd leave now. 开始学习
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use were or (informally) was
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often with real conditions, where the speaker or writer has real reservations I'll get a university place providing I pass the entrance exam. 开始学习
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use providing/provided (that), on condition that and, less formally, as long as, to mean if and only if,
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I'll arrive at 10 a.m. unless the train is late. 开始学习
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when something is unlikely Suppose you won the lottery, what would you do? 开始学习
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use suppose/supposing, imagine and, less formally, let's say instead of if
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开始学习
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with the appropriate form of the verbs in brackets
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If you give me your phone number, I (ask) Pete to call you back. 开始学习
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If you give me your phone number, I'll ask Pete to call you back.
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Would you be interested if we (offer) you a free trial? 开始学习
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Would you be interested if we offered you a free trial?
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If it (rain), you should wear a waterproof jacket. 开始学习
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If it rains, you should wear a waterproof jacket.
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If I arrived a day early, it (give) me the chance to look around. 开始学习
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If I arrived a day early, it would give me the chance to look around.
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I'm going to get worried if she (not call) soon. 开始学习
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I'm going to get worried if she doesn't call soon.
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If I (be) good with numbers, I could help you with your homework. 开始学习
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If I were good with numbers, I could help you with your homework.
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I may go home early if Anna (not be) at the party. 开始学习
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I may go home early if Anna isn't at the party.
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You (take up) a sport if you want to be in great shape like me. 开始学习
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You should take up a sport if you want to be in great shape like me.
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Underline the correct alternative 开始学习
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I'll tell you (?) you promise to keep it a secret. 开始学习
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I'll tell you provided you promise to keep it a secret.
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We won't go (?) they pay our expenses. 开始学习
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We won't go unless they pay our expenses.
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(?) you lost your job tomorrow, what would you do then? 开始学习
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Supposing you lost your job tomorrow, what would you do then?
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(?) that we have enough time, I intend to visit all of my relatives. 开始学习
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Providing that we have enough time, I intend to visit all of my relatives.
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I'm going to leave (?) you stop being aggressive with me. 开始学习
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I'm going to leave unless you stop being aggressive with me.
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(?) we met them in the street; how might you react? 开始学习
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Imagine we met them in the street; how might you react?
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开始学习
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so that they mean the same as 1-6 above.
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I'll tell you provided you promise to keep it a secret. 开始学习
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I won't tell you unless you promise to keep a secret.
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We won't go unless they pay our expenses. 开始学习
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We won't go if they don't pay our expenses.
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Supposing you lost your job tomorrow, what would you do then? 开始学习
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What would you do if you lost your job tomorrow.
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I intend to visit all of my relatives unless Providing that we have enough time, I intend to visit all of my relatives. 开始学习
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I intend to visit all of my relatives unless we don't have enough time.
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I'm going to leave unless you stop being aggressive with me. 开始学习
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I'm going to leave if you don't stop being aggressive with me.
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How might you react if we Imagine we met them in the street; how might you react? 开始学习
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How might you react if we met them in the street.
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