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Conditional conjunctions are used to join and connect conditionals together. They provide us with the ability to express more complex and interesting ideas.

1. Unless -

Unless means 'except if' and is used with the present tense to talk about a condition in the present or future.

• We're going to the park unless the weather gets worse.

• Unless you finish your homework, you will not be able to go to the cinema.

2. In case -

'In case' shows that an action is taken to prepare for a possible event or situation.

• Make sure you have my phone number in case you get lost.

• I'll bring some extra money in case we decide to go shopping.

3. Provided/providing that/so long as -

These conjunctions are used with the present tense to talk about the future. They have a similar meaning to if.

• As long as we follow instructions, we'll complete the project on time.

• Provided that it doesn't snow, I will be able to go to the concert.

• My father says he will pick us up from the bus stop, providing we inform him of our arrival time.

4. I wish/ if only -

I wish/ if only are used to express a wish for something. They have the same meaning, but 'if only' is less common and usually stronger.

• I wish I knew the answer.

• If only my sister Mary were here!

• I wish I were as clever as you are.

5. It's time/would rather (not) -

It's time/would rather (not) are followed by the past simple with a simple present meaning.

• It's time we ate dinner now.

• I'd rather go home by taxi.

• I'd rather not go to the party tomorrow.

6. Otherwise

'Otherwise' and 'or else' mean 'because if not'

-I have to go to bed early, otherwise, I will be tired tomorrow.

-Carry the tray with both hands or else you'll drop it.