45. Unless he phones her immediately, he won't get information.

If he doesn't phone her immediately, he won't get information.

46. Unless he apologizes, I'll never invite him here again.

If he doesn't apologizes, I'll never invite him here again.

47. Speak slowly or he can`t understand what you mean.

If you speak slowly ,he cans understand what you mean.

48. Keep our environment clean or we won't enjoy a healthy life.

If we keep our environment clean , we will enjoy a healthy life.

49. I'm not a millionaire, so I can't buy you a car. 

If i were a millionaire,I could buy you a car. 

50. He will get wet unless he puts the raincoat on.

If he doesn't put the raincoat on,he will get wet

51. Today is not a holiday, so we can't go for a picnic.

If today were a holiday,we could go for a picnic

Câu điều kiện loại 1: If S Vs/es, S will/can/may... V ⇒ Diễn tả giả thiết có thật ở hiện tại

Câu điều kiện loại 2: If S V-ed, S would/could/might V ⇒ Diễn tả giả thiết không có thật ở hiện tại

`45.` If he phones her immediately, he will get information. 

`46.` If he doesn't apologize, I'll never invite him here again.

`47.` If you speak slowly, he can understand what you mean.

`48.` If we keep our environment clean, we will enjoy a healthy life.

`49.` If I were a millionaire, I could buy you a car.

`50.` If he puts the raincoat on, he won't get wet.

`51.` If today were a holiday, we could go for a picnic.

@ `Ly`