* Cấu trúc câu điều kiện 

- If1  : If + S + V (hiện tại đơn), S + V (`TLĐ`)

- If2 : If + S + V (quá khứ đơn), S + would/could + (not) + V 

- If3 : If + S + V ( quá khứ hoàn thành), S + would have (not) + V 

`11.` If she had finished her homework, she wouldn't have get a bad mark 

`12.` If she didn't work all days, she wouldn't be tired 

`13.` He got lost in the forest because he didn't have a map 

`->` If he hadn't had a map, he would have lost in the forest 

`14.` If you do exercise morning, you won't have overweight 

`15.` If they had money, they would buy a new house 

`16.` If she didn't learn homework, she wouldn't have a good mark

`17.` If you take the shortest, you won't be ill 

`18.` I had a free time, I would visit my mother 

`-` 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

`-` CĐK Loại `3` : Diễn tả hành động không có thật trong Quá khứ

`+` If - clause : Thì QKHT : S + had + VpII

`+` Main - clause : Thì TLHT trong QK : S + would have + VpII 

`12`.If she didn't work all days , she wouldn't be very tired

`13`.[ Vì đây đã được chia dưới dạng câu ĐK Loại `3` nên không làm lại ]

`14`.If you don't do exercise morning , you will have overweight

`15`.If they had had money , the would have bought a new house

`16`.If she didn't learn homework , she wouldn't have a good mark

`17`.If you take a short rest , you won't be ill

`18`.If I had a free time , I would visit my mother

`\text{# TF}`