Grammar » B2 Grammar lessons and exercises » Unless, even if, provided, as long as, etc. – other expressions in conditionals » Page 3
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  • Unless, even if, provided, as long as, etc. – other expressions in conditionals

    Exercise 3

    Fill in each gap with one word from the list. Do NOT use if.

    case – condition – even – in – long – on – only – provided – supposing – unless – whether

    EXAMPLE: Take a torch in case you need it.

    1 You should vote if you don't know who to vote for.

    2 You can go on you come back before 10.

    3 I'll enter the competition if you do it with me.

    4 It's my money, so I'm going to buy a new car or not you agree with me.

    5 I told you the truth, would you ever tell anyone?

    6 It doesn't matter how slowly you go as as you do not stop.

    7 You can print as many copies as you want that they are intended for personal use

    8 I'll tell you condition you don't tell anyone.

    9 The concert will be cancelled we sell more tickets.

    10 I'll take some snacks in we get hungry along the way.


  • Other expressions in conditionals – Grammar chart

    Grammar chart explaining alternatives to "if" in conditionals, including "unless," "in case," "whether or not," "even if," "as long as," "provided," "providing that," "on condition that," "only if," "suppose," and "supposing." Examples illustrate the usage of each alternative expression in sentences.

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    Unless (= if not)

    We can use unless in conditional sentences to mean ‘if … (not)’.

    • I won’t go on holiday unless I save some money.
    • = I won’t go on holiday if I don’t save some money.

    In case

    We use in case to talk about things that we do to be prepared for something that might happen or might be needed in the future.

    • I’ll take my umbrella in case it rains. (=because it might rain)

    As long as / provided (that) / providing (that) / on condition (that) / only if

    We can use the expressions as long as, provided/providing (that), on condition (that), or only if instead of if when we want to emphasise the condition that needs to be present so that something can happen or be done.

    • I’ll tell you what really happened as long as you keep the secret.
    • I’ll lend you the money provided (that) you pay me back next month.
    • They will speak to the press on condition (that) they remain anonymous sources.
    • We will invest the money, but only if you can prove that it’s a safe investment. 

    Whether or not

    We use whether or not when there are two alternatives, and we want to say that something will happen or will be true in any of those two alternatives. Compare:

    • I’ll help him if he needs me. (=I will help him only if he needs me.)
    • I’ll help him whether or not he needs me. (I will help him if he needs me, and I will help him if he doesn’t need me, too.)

    Even if

    We also use even if with a similar meaning to ‘whether or not’. It is used to emphasise that something will still be true or will happen if another thing happens.

    • Even if you apologise, he’ll never forgive you. (=Whether or not you apologise, he’ll never forgive you.)


    We normally use suppose or supposing at the beginning of a sentence to make someone imagine a situation. It means ‘what would happen if’, or simply ‘if’ (imagining a situation).

    • Supposing I got a job, I wouldn’t be able to travel with you next summer.
    • Suppose she doesn’t believe you; what would you do then?
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