1, Unless you really want in, don't take this job.

2, Unless she prepare for the test, she will get bad marks.

3, If you don't get a visa, you can't visit the United States.

4, If you don't remember our address, you can find it in the phone book.

Ta có cấu trúc Unless+ S+ V thì hiện tại đơn, S+ Vinfi.

= If + S+not +V hiện tại đơn, S+ will+ Vinfi.

$\text{1.}$ Unless you really want this job, don't take it.

$\text{2.}$ Unless she does something to prepare for the test, she will get bad marks.

$\text{3.}$ If you don't get a visa, you can't visit the United States.

$\text{4.}$ If you don't remember our address, you can find it in the phone book.

$\text{→}$ Unless = If not

$\text{→}$ Câu đk loại 1: $\text{S + will/ can/ may + V<infi> + if + S + V<s,es>}$