How to use ‘unless’: conjunction

Unless is a subordinating conjunction. Here is how we use it correctly.

Unless

Unless means 'except if'.

We use unless to say that there may be an exception and that this exception will change the situation.

We're playing tennis tomorrow unless it rains.
(= We're playing tennis tomorrow. However, one exception could change our plans – rain.)

Don't go there unless he tells you to.
(= Don't go there, except if he tells you to go.)

We use the present tense after unless when referring to the future.

I won’t go to the party unless she invites me.

unless she will invite

Compare unless and if.

We'll cancel tomorrow's tennis match if it rains.

We'll cancel tomorrow's tennis match unless the weather improves. = The match will happen only if the weather gets better.

More examples with unless

  • I’m not going to the party unless you come too. I don’t want to go alone.
  • We won’t get a table at the restaurant unless we get there early.
  • Unless I’m mistaken, John’s house is the second on the left.
  • We can go in the car – unless you’d prefer to walk

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3 Comments

  1. Delmarie Tramble - April 4, 2021, 11:47 am Reply

    If someone say I will grant the request unless I decide to issue a fully favorable decision

  2. Delmarie Tramble - April 4, 2021, 12:00 pm Reply

    What happen when you put unless i

  3. Miry - September 16, 2023, 3:36 am Reply

    If you are not properly trained, diving in the sea is dangerous.

    Begin with unless:

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