`1` Unless she works harder ,  she'll fail her entrance exam .

`2` If you don't stop talking , you won't understand the lesson .

`3` If you don't go away ,  I will call the police .

`4` If Peter didn't have such a lot of English homework , he would  go to the party .

`5` If Phong had enough money , he could  travel abroad .

`@` Câu điều kiện diễn tả hành động có khả năng diễn ra trong tương lai .

`=>` Điều kiện loại `1` : If + S + V(s,es) + O , S + will/modal verbs + V-inf + O .

`-` Biến thể : Unless + S + V(s,es) + O , S + will/modal verbs + V-inf + O .

`@` Câu điều kiện diễn tả hành động không có thật ở hiện tại .

`=>` Điều kiện loại `2` : If + S + V(quá khứ)/were + O , S + would/modal verbs + V-inf + O .

`-` Biến thể : Unless + S + V(quá khứ)/were + O , S + would/modal verbs + V-inf + O .

`-` Biến thể : If I were you , S + would/modal verbs + V-inf + O : Đề nghị khuyên ai làm gì .

`1.` unless she works harder , she'll fail her entrance

`-` unless + S + V(inf;s,es) , S + will + Vinf

`-` unless : trừ khi 

`2.` If you don't stop talking , you won't understand the lesson

`3.` If I don't go away , I will call the polime

`-` V-inf or + S + will + V-inf

`->` If + S + don't / doesn't + V-inf, S + will + Vinf

`4.` If peter didn't have  such a lot of English homework , he would go to the party

`5.` If phong had enough money , he could travel abroad

`-` If + S + V2/Vpp , S + would +V-inf