Knowledge and Ability

The Topic of : Knowledge and Ability – Know and Know How
Remember that know followed by a noun expresses knowledge.
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Pattern:
Subject + KNOW + noun
I know the answer
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Avoid using an infinitive after know.
Remember that know how followed by an infinitive axpresses ability.
S + KNOW + how+ infinitive + Complement
I know how to answer the question
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Examples
Incorrect : He doesn’t know to use the card catalog in the library.
Correct : He doesn’t know how to use the card catalog in the library.
Incorrect : He’ll have to help her because she doesn’t know to do it.
Correct : He’ll have to help her because she doesn’t know how to do it.
Incorrect : If you knew to drive, she would lend You her car.
Correct : If you knew how to drive, she would lend You her car.
Incorrect : Until she came to the Australia to study, she didn’t know to cook.
Correct : Until she came to the Australia to study, she didn’t know how to cook.
Incorrect : Do you know to drive?
Correct : Do you know how to drive?

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Also Learn :
-Logical Conclusions – Events that Repeat
-Logical Conclusions – in the Present Events
-Modal: May, might....
-Logical Conclusions -> in the Past Events
-The accent How to Speak English
Make
-Non Progressive Verb

Logical Conclusions – Events that Repeat

Now the Topic is; Logical Conclusions – Events that Repeat
Remember that must is a modal. Must followed by a verb word expresses a logical conclusion based on evidence. The conclusion is about an event that happens repeatedly.

S + must + verb word + repeated time
I must walk often

Avoid using an infinitive or an –ing form instead af a verb word after must.

Others Examples are ;
Incorrect : Rani must having a lot of money because she are always taking expensive clothes.
Correct : Rani must have a lot of money because she are always taking expensive clothes.
Incorrect : She can like her job because she seems very happy.
Correct : She must like her job because she seems very happy.
Incorrect : His English is very good, he must spoken it often.
Correc t : His English is very good, he must speak it often.
Incorrect : Rudi always good grades, he should study a lot.
Correct : Rudi always good grades, he must study a lot.
Incorrect : The light is always off in his room at ten o’clock; he must have to bed early every night.
Correct : The light is always off in his room at ten o’clock; he must go to bed early every night.

Stiba Surabaya’2005

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Related topic;

-Logical Conclusions – in the Present Events

-Logical Conclusions -> in the Past Events

-Regular and Irregular verb

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