You press this button to stop the machine. (If...)
If you press this button, the machine stops.
In my opinion, you shouldn't drive so fast. (If..)
If I were you, I wouldn't drive so fast.
The government won't win the elections unless they create employment. (The government...)
The government won't win the elections if they don't create employment.
I really want you to stop smoking. (I wish...)
I wish you would stop smoking.
I don't know many people. (I wish...)
I wish I knew more.
She didn't write, so he forgot her. (If...)
If she had written, he wouldn't have forgotten her.
We haven't got any bread, so we can't eat a sandwich. (If...)
If we had some bread we could eat a sandwich.
Without Jack's help, I wouldn't have been able to move the table. (If...)
If Jack hadn't helped me, I wouldn't have been able to move the table.
They didn't follow the map, so they got lost. (If..)
If they had followed the map, they wouldn't have got lost.
He keeps arriving late for class. It's getting on my nerves. (I wish...)
I wish he wouldn't arrive late for class.
She wanted to buy that coat but she didn't have enough money. (She...)
She would have bought that coat if she had had enough money.
He smokes too much, that's why he can't get rid of his cough. (If he...)
If he smoked less, he could get rid of his cough.
I'm sorry I didn't meet you at the station. (If only...)
If only I had met you at the station.
I hate it when you drive so fast in the city. (I wish...)
I wish you wouldn't drive so fast in the city.
You must eat only fresh fruit and vegetables in that country. Otherwise, you may get food poisoned. (Providing...)
Providing that you eat only fresh fruit and vegetables in that country, you won't get food poisoned.