Mọi người giúp em bài này với em cảm ơn

`2)` Unless she were lazy, she could pass the exam.

`3)` Unless he pays me tonight, I won't have enough money to buy a car.

`4)` Unless he smoked too much, he could get rid of his cough.

`5)` Unless she were very shy, she would enjoy the party.

`6)` Unless I get a work permit, I won't stay for another month.

`7)` Unless he took some exercises, he would be so unhealthy.

`8)` Unless I had the right change, we couldn't get the ticket.

`9)` Unless they invite me, I won't come.

`10)` Unless he had revised all his lessons, he would have failed the exam.

`11)` Unless he could park near his office, he would come by car.

`12)` Unless my house weren't guarded by two big dogs, it wouldn't be broken into every night.

`13)` Unless the flats were clearly numbered, it would be very difficult to find anyone.

`14)` Unless I knew her e-mail address, I couldn't tell you.

`15)` Unless she worked in the evening, she wouldn't have time to play with her children.

`===================`

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

`+` I / you / we / they / N số nhiều  + Vinfi

`+` She / he / it / N số ít + Vs / es

`-` Unless = If ... not

`-` Biến thể : Unless + S + V ( s / es ), S + will / can / should + V

`-` Đảo ngữ : Should + S + V ( s / es ), S + will / can / should + V

`→` Dùng để đặt ra điều kiện có thể xảy ra ở hiện tại hoặc tương lai.

`-` Câu điều kiện loại 2 :  If + S + V ( ed / V2 ), S + would / could + Vinfi

`-` Unless = If ... not

`-` Biến thể : Unless + S + V ( ed / V2 ), S + would / could + V

`-` Đảo ngữ : Were + S + V  ( ed / V2 ), S + would / could + V

⋆ Động từ tobe "were" được sử dụng với mọi ngôi kể.

`→` Diễn tả câu điều kiện không có thật ở hiện tại.

`-` Câu điều kiện loại 3 : If + S + had + V ( ed / V3 ), S + would / could + have + V ( ed/V3 )

`-` Unless = If ... not

`-` Biến thể : Unless + S + had + V ( ed / V3 ), S + would / could + have + V ( ed/V3 )

`-` Đảo ngữ : Had +  S + V ( ed / V3 ), S + would / could + have + V ( ed/V3 )

`→` Diễn tả câu điều kiện không có thật ở quá khứ.

`-` But for + Noun/V-ing, S + would/could.might + V nguyên thể

`->` Diễn tả câu điều kiện không có thật ở hiện tại.