`-` 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 chủ ngữ trong mệnh đề If

`1`.But if he spoke very clearly , people would understand him

`2`.But if that book weren't too expensive , I would buy that book

`3`.But if she could walk without help , she would go out very often

`4`.But if he got any exercise , he wouldn't be fat

`5`,But if it weren't raining , we could have lunch outside

`6`.But if I didn't have to work , I could meet you tomorrow evening

`\text{@ TheFox}`