I haven 't much money, i can't buy any new clothes
≈ If i​ had much money, I could buy some new clothes
*(any dùng trong câu phủ đinh, some dùng trong khẳng đinh; đây là câu điều kiên không có thât ở ht)
​​Jim didn't lend me any money so i couldn't buy the car​
≈ If Jim had lent me some money, I could have bought the car
(câu đk k có thât ở quá khứ)
Loan willn't stay at school because she doesn't find a job before September
≈ If Loan found a job before September, she would stay at school
Marry didn't work hard enough,she failedthe exam
≈ If Marry had worked hard enough, she would have passed the exam
You don't get a visa, you can't visit the united state
≈ If you got a visa, you could visit the United State

Huyền Thu sai rồi nhé ở câu Marry didn't work hard enough,she failedthe exam ​
thì phải chuyển thành  If Marry had worked hard enough, she would have passed the exam
vì đây là câu điều kiên không có thât ở quá khứ, vế sau của câu phải dùng would have/ wouldn't have nhé. không phải wouldn't fail đâu

I haven 't much money, i can't buy any new clothes
≈ If i​ had much money, I could buy some new clothes
*(any dùng trong câu phủ đinh, some dùng trong khẳng đinh; đây là câu điều kiên không có thât ở ht)
​​Jim didn't lend me any money so i couldn't buy the car​
≈ If Jim had lent me some money, I could have bought the car
(câu đk k có thât ở quá khứ)
Loan willn't stay at school because she doesn't find a job before September
≈ If Loan found a job before September, she would stay at school
Marry didn't work hard enough,she failedthe exam
≈ If Marry had worked hard enough, she would have passed the exam
You don't get a visa, you can't visit the united state
≈ If you got a visa, you could visit the United State

* I haven 't much money, i can't buy any new clothes.
=> If i​ had much money, I could buy some new clothes.
* Jim didn't lend me any money so i couldn't buy the car​.
=> If Jim had lent me some money, I could have bought the car.
* Loan willn't stay at school because she doesn't find a job before September.
=> If Loan found a job before September, she would stay at school.
* Marry didn't work hard enough,she failedthe exam.
=> If Marry had worked hard enough, she would have passed the exam.
* You don't get a visa, you can't visit the united state.
=> If you got a visa, you could visit the United State.