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    Learn English > English lessons and exercises > English test #111153: I can or I know
    > Other English exercises on the same topics: Frequent mistakes | Modals | Synonyms [Change theme]
    > Similar tests: - Placement test beginners: Check your spelling - Past simple or present perfect - Although / in spite of / despite - Differences between Like and As - Again/ back - FOR and its use - Do or Make? - 13 ways of seeing
    > Double-click on words you don't understand


    I can or I know


    I CAN...?  I KNOW...?? 



    1. Being capable of doing something + infinitive  is often expressed with CAN + infinitive without TO  especially when it deals with 
    usual physical or intellectual activities.

    - Peter is five, he can swim and he can already speak two languages.

     

                                             

     


    2. a) TO KNOW = to be capable of, must be followed by  HOW TO ( but not by TO only.)

    - I don't know how to repair my computer...( NOT: I don't know to repair...)



       b) When KNOWING SOMETHING  means  hearing about news, hearing that or about something'to know'  mustn't be used in English. You must employ To HEAR THAT / HEAR ABOUT / to BE TOLD THAT / ABOUT or  to DISCOVER /to FIND OUT

    - I was so surprised when I found out that he was the thief.

     


       c) TO HAVE PROBLEMS = to FACE / to BE FACING PROBLEMS.

    - They've been facing many problems since her dad lost his job. 



       d) KNOWING ? when it means "to get acquainted to", "meeting someone" = GETTING TO KNOW SOMEONE,  MEETING SOMEONE.

    - I got to know her when we were on the same trip, last year. 

                                                                                        

     

    Quick and easy, wasn't it?   Now, you're going to pass the test with flying colours!  





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    1. I had a flat tyre, but didn't know wheels.


    2. Of course I know CPR (Cardiopulmonary resuscitation)... I'm a volunteer at Red Cross and I think every citizen should know it.


    3. I a little Italian and I tried to learn Turkish. Yet, can't speak it at all. It's difficult!


    4. 'Mom, you know I yet; can you read this new book for me, please?


    5. My father is an artist, but I don't take after him... I at all.


    6. Yes, he use a compass... He's been a scout for years!


    7. Have you 'Coldplay' are releasing a new album soon? Oh, I didn't know that, I'll buy it as soon as it's out.


    8. My friend huge problems since his wife left him. He's quite depressed.


    9. Of course I ! I'm a real dolphin!


    10. She doesn't really her kids... She's much too lenient and they are real bullies.











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