`-` CĐK Loại `1` : Diễn tả hành động có thật ở Hiện tại

`+` If - clause : Thì HTĐ : S + Vs / es

`+` Main - clause : Thì TLĐ : S + will + V

`-` CĐK Loại `2` : Diễn tả hành động không có thật ở Hiện tại

`+` If - clause : Thì QKĐ : S + Ved / V2

`+` Main - clause : Thì TLTQK : S + would + V

`* T`ip : " Were " đi với tất cả các chủ ngữ trong Mệnh đề

`9`.Unless he were very ill , he would be at work

`10`.If he weren't ill , he could go skiing

`11`.If you stay away from this place , I won't report the area's security

`12`.If he didn't always complain about everything , they would want to work with him

`13`.If you follow the instructions , you won't ruin everything

`14`.If the weather weren't stormy , people would go camping

`15`.If he didn't love art , he wouldn't come to exhibition

`16`.If I didn't have to work , I could see you this Friday

`17`.If my car weren't out of order , I would drive you there

`\text{# TF}`