`1.` Unless Andrew is lazy, he will pass the final examination

`2.` If John doesn't run more quickly, he won't catch the train.

`3.` Unless the tree is watered every day, it will die.

`@` Kiến thức :

`-` Câu điều kiện loại `1 :` If S + V hiện tại , S + will/can/may + V-inf

`=>` Diễn tả sự việc có thể xảy ra ở hiện tại , tương lai

`-` Unless `=` if not : nếu không

$\color{black}{1}$

→ Unless Andrew is lazy , he will pass the final examination.

$\color{black}{2}$

→ If John doesn't run more quickly , he will not catch the train.

$\color{black}{3}$

→ The tree will die unless it is watered every day .

$\color{black}{Cấu}$ $\color{black}{Trúc}$

$\color{black}{If}$ $\color{black}{Clause}$

 → If + S + Vbi/Ves , 

→ If + S + Am not/isn't/Aren't   

→ If + S + Don't / Doesn't

$\color{black}{Main}$ $\color{black}{ Clause}$

→ S + Will/Won't + V + O +...