`1` Unless he takes more care, he will have an accident.

`1` Unless it rains soon, the crops will be ruined.

`1` If the weather isn't fine, we will stay at home.

`1` If I don't get my work finished, I can’t go with you.

`1` Unless you leave on the `15^(th)`, you will get home late for your mother’s party.

Vì cấu trúc: if not= unless.

tùy theo if ở dạng điều kiện mấy thì unless cũng chia theo cấu trúc điều kiện đó.

Unless he takes more care, he'll have an accident.

Unless it rains soon, the crops will be ruined.

If the weather isn't fine, we'll stay at home.

If I don't get my work finished, I can’t go with you.

Unless you leave on the `color{purple}{15^(th)}`, you will get home late for your mother’s party.

Cấu trúc Unless(If not) trog First Conditional:

Unless + S + V (inf/s/es), S + will/can/shall + V./

If + S + don't/doesn't, S + will/can/shall + V.