English grammar practice exercise, upper-intermediate.
In this exercise you will practise as long as, in case of, in case and unless.
Instructions:
Fill the gap in each sentence with as long as, in case of, in case or unless.
| In case | ||
| We use in case to express that we are doing something in preparation for something which might happen. |
Take an umbrella in case it rains! I'll buy two bottles of wine in case one is not enough. |
|
| In case of | ||
| We use in case of to say what we should do if or when something happens. | In case of fire, leave the building as quickly as possible. | |
| As long as | ||
|
We use as long as to express a condition, to say that something
will happen only on condition that something else happens. It expresses that one thing depends on another. |
I'll lend you the book as long as you promise to give me it
back next week. = If you don't promise to give the book back next week I will not lend you it. You can go to the party as long as you come back before midnight. = You can go to the party but you must promise to be back before midnight. |
|
| As long as has the same meaning as providing or provided. |
You can go to the party, providing / provided you come
back before midnight. We're going skiing next week, providing / provided there's enough snow. |
|
| Unless | ||
| We use unless to say that something will happen if something else doesn't stop it happening. |
You won't get the job unless you prepare for the interview. = You will only get the job if you prepare well for the interview. |
|
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Don't do it unless he tells you to. = Only do it if he tells you to do it. |
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