Unless As long as와 provided/providing

Unless

다음 상황을 살펴 보세요.

The club is for members only.

You can't play tennis there unless you are a member.

위 예문의 의미는 다음과 같습니다:

You can't play tennis there except if you are a member or You can play tennis there only if you are a member.

Unless = except if

• • I'll see you tomorrow unless I have to work late. (= except if I have to work late)

  • Don't tell Sue what I said unless she asks you. (= except if she asks you)

  • "Should I tell Sue what you said?" "Not unless she asks you." (= only if she asks you)

  • I don't like fish. I wouldn't eat it unless I was extremely hungry. (= except if I was/were extremely hungry)

경우에 따라 unless는 경고의 의미로 사용됩니다:

• We'll be late unless we hurry. (= except if we hurry)

• Unless you work much harder, you won't pass the exam.

• I was told I wouldn't pass the exam unless I worked harder.

경우에 따라 unless 대신 if ... not을 사용할 수 있습니다:

• Don't tell Sue what I said if she dosen't ask you.

• We'll be late if we don't hurry.

As long as 등

as long as / so long as와 provided (that) / providing (that)은 모두 "if" 또는 "condition that"의 의미로 사용됩니다:

(= You can use my car, but you must drive carefully - 이것은 조건입니다.)

(= but only if you have somewhere to park)

(= She must study hard - if she does this, she willl pass.)

미래에 대해 이야기할 때는 unless / as long as / so long as / provided / providing 다음에 will을 사용하지 않고 현재 시제를 사용합니다. (see unit 24):

• We'll be late unless we hurry. (not unless we will hurry)

• Providing she studies hard, she will pass the exam. (not Providing she will study)