II.

$\text{1.}$ Unless you are careful, you will cut yourself with that knife.

$\text{2.}$ Unless you like this one, I'll bring you another.

$\text{3.}$ I won't be able to do any work unless I have a quiet room.

$\text{4.}$ Unless you study hard, you'll fail in the exam.

$\text{5.}$ Unless she waters these trees, they will die.

$\text{6.}$ Unless I have time, I won't help you.

$\text{7.}$ Unless I win a big prize in a lottery, I won't build s school for the poor.

$\text{8.}$ Unless you like this one, I will bring you another.

$\text{9.}$ She couldn't have stolen the jewels unless she had had inside help.

$\text{10.}$ Unless management and union become more flrxible, there will be a lot more strikes.

$\text{* Unless:}$

$\text{→}$ Unless = If not

$\text{→}$ If + S + trợ V<phụ định> + V, S + Modal Vs + V 

= Unless + S + V<khẳng định>, S + Modal Vs + V.

$\text{→}$ If + S + V<khẳng định>, S + Modal Vs + V.

= Unless + S + V<khẳng định>, S + Modal Vs<phủ định> + V.