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Alternatives to If (provided, unless, supposing) – Worksheet 1

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This C1 worksheet practises the main alternatives to if, including unless, provided (that), as long as, on condition that, supposing/suppose, assuming, but for and otherwise. Learners work on form, meaning and use, including verb tenses, negatives and questions. It suits advanced learners preparing for exams or wanting more precise, varied conditional language.

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39
Time
40 min
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5 pages
Answer key
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Exercise 1: Choose the right linker

Complete each sentence with a word or phrase from the box. Two options are not needed.

Word box unlesssupposingbut forin caseotherwiseeven ifon condition thatprovidedso thatas though

  1. We'll set off at dawn it's raining heavily – in that case, we'll wait.

  2. you won the lottery tomorrow, what would you do first?

  3. your help, I would never have finished the report on time.

  4. Take an umbrella it rains later.

  5. You'd better leave now; , you'll miss the last train.

  6. I'm going to the concert I have to go on my own.

  7. The landlord agreed to lower the rent we signed a two-year contract.

  8. You can stay out late, you text me when you're on your way home.

Exercise 2: Rewrite the sentences

Rewrite each sentence using the word(s) in capitals so that the meaning stays the same.

Example: If you don't call me, I'll assume everything is fine. (UNLESS) → Unless you call me, I'll assume everything is fine.

  1. If you don't apologise, she won't speak to you again. (UNLESS)

  2. I'll lend you the money, but you must pay me back by Friday. (PROVIDED)

  3. Imagine the flight was cancelled. What would we do? (SUPPOSING)

  4. If it hadn't been for the satnav, we would have got lost. (BUT FOR)

  5. Hurry up, or we'll be late. (OTHERWISE)

  6. You can use the lab only if you wear protective glasses. (AS LONG AS)

  7. If we assume the figures are correct, profits have doubled. (ASSUMING)

  8. If he doesn't call, what will you do? (SUPPOSE)

Exercise 3: Correct the mistakes

Each sentence contains one mistake. Rewrite the sentence correctly.

Example: Provided you will be quiet, you can stay. → Provided you are quiet, you can stay.

  1. Unless you don't hurry, you'll miss the bus.

  2. Provided that you will finish your work, you can leave early.

  3. Supposing you would lose your job, how would you manage?

  4. But for you helped me, I would have failed.

  5. I'll take a jacket unless it gets cold.

  6. As long as you won't tell anyone, I'll tell you the secret.

  7. Unless she had warned us, we would have lost all our money.

  8. Supposed it rains tomorrow, will the match go ahead?

Exercise 4: Put the words in order

Put the words in the correct order to make sentences.

Example: unless / the / you / come / invite / won't / they / → They won't come unless you invite them. (them added only in this example)

  1. provided / you / the / can / that / deadline / meet / we'll / accept / proposal / your

  2. unless / won't / he / asks / I / him / help

  3. supposing / found / what / you / out / she / would / do / ?

  4. on / that / condition / agreed / He / remained / she / anonymous

  5. long / as / so / you're / careful / borrow / you / can / it

  6. but / for / rain / the / would / have / we / won

  7. assuming / is / train / the / time / on / we'll / there / be / by / noon

Exercise 5: Use the correct verb form

Complete each sentence with the correct form of the verb in brackets.

Example: Unless it ___ (stop) snowing, the roads will close. → stops

  1. Supposing you (be) offered the job, would you accept it?

  2. You can come with us provided you (not/complain) about the music.

  3. Unless the weather (improve), the ferry will be cancelled.

  4. But for his quick thinking, the accident (be) much worse.

  5. Suppose nobody (turn) up tomorrow – what will we do?

  6. I'll lend you my notes on condition that you (give) them back by Monday.

  7. Supposing they (not/stop) us at the border, we would have arrived yesterday.

  8. Would you still go even if the tickets (cost) twice as much?

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About this test

C1 worksheet on alternatives to if: unless, provided, as long as, supposing, but for, otherwise and more. Printable, with answers.

Topics covered

ConditionalsUnless vs if notProvided / as long as / on condition thatSupposing / suppose / assumingBut for / otherwiseIn case vs if

Notes for teachers

Start by eliciting the meaning of each linker and grouping them: condition (provided, as long as, on condition that), negative condition (unless), hypothesis (supposing, assuming) and alternatives (but for, otherwise). Typical mistakes include using will after provided or unless, adding a double negative with unless, using unless for counterfactual past situations, and confusing in case with if. As a follow-up, ask learners to write a short set of rules for a shared flat or a workplace using at least five of the linkers.

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