In case and if

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In case is used to talk about things which we do in order to be ready for possible future situations.

After in case, we use a present tense to refer to the future.

We often use should + infinitive after in case. This adds the meaning by chance. This structure is common in sentences about the past.

In case and if

In British English, in case and if are used in quite different ways.


In American English, in case can sometimes be used in the same way as if.

The prepositional phrase in case of is often used in similar situations to if.

See also

Ill and Sick
If I were you
In case and if
If and unless
In spite of
Interesting, interested, exciting, excited etc.
Inversion of subject and verb
Is, am and are
It's and its

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