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