36. If he doesnt work harder, hell lose his job. - Unless____________________________________. 37. I have never been here before. - It is the first________________________________. 37. You have read this novel, havent you? - Have you__________________________________? 39. It was raining hard, so we had to cancel the game. - We had to__________________________________________________________________________. 40. Its very wonderful to spend the weekend in the countryside. - Spending___________________________________________________________________________.

`36.` Unless he work harder, he'll lose his job.

`-` Unless `=` If ... not `->` Unless + S + V ( s / es ), S + will / should / can + Vinfi

`-` Câu điều kiện loại `1` : If + S + V ( s / es ), S + will / should / can + Vinfi

`->` Câu điều kiện có thể xảy ra ở hiện tại hoặc tương lai.

`37.` It is the first time I have ever been here.

`-` It is the first time + S + have / has + Ved / V3 : lần đầu ai làm gì ...

`-` HTHT : S + have / has + Ved / V3

`-` Chủ ngữ là I `->` dùng have 

`37.` Have you read this novel?

`-` HTHT : Have / Has + S + Ved / V3?

`-` Chủ ngữ là you `->` số nhiều `->` dùng have

`39.` We had to cancel the game because it was raining hard.

`-` So + mệnh đề kết quả : vì vậy ...

`=` Clause + because + clause : bời vì ...

`40.` Spending the weekend in the countryside is very wonderful.

`-` Chủ ngữ là danh động từ thì động từ theo sau chia số ít

`-` It + be + very + adj + to V `=` V-ing + is + very + adj