Complete the following sentences using in case or in case of.
1Let’s buy a chicken ............... Peter comes.
Wrong!
Use "in case" before a subject and verb such as "Peter comes".
2I think we should wait a little longer ............... she calls.
Wrong!
Use "in case" before the clause "she calls".
3You can call the receptionist ............... you need help.
Wrong!
Use "in case" before a subject and verb such as "you need help".
4Write down the phone number ............... you forget it.
Wrong!
Use "in case" before the clause "you forget it".
5We took our swimsuits ............... we happened to find a pool.
Wrong!
Use "in case" before a subject and verb such as "we happened to find a pool".
6Call the police ............... any emergency.
Wrong!
Use "in case of" before a noun phrase such as "any emergency".
7Take a waterproof jacket ............... it rains.
Wrong!
Use "in case" before the clause "it rains".
8We have linked our alarm with the local police station ............... burglary.
Wrong!
Use "in case of" before the noun "burglary".
9............... fire, leave the building as quickly as possible.
Wrong!
Use "In case of" before the noun "fire".
Done.
Score: 0/9
Answers
- Let’s buy a chicken in case Peter comes.
- I think we should wait a little longer in case she calls.
- You can call the receptionist in case you need help.
- Write down the phone number in case you forget it.
- We took our swimsuits in case we happened to find a pool.
- Call the police in case of any emergency.
- Take a waterproof jacket in case it rains.
- We have linked our alarm with the local police station in case of burglary.
- In case of fire, leave the building as quickly as possible.

