1.  We know who we are and how people judge us with these labels.

2.  Many parents and teachers know how to teach kids a second language in an interesting way.

3.  Right through reading, one knows how to understand others in English and in turn learn how to make oneself understood, which is the intension of communication, the purpose of language.

4.  Who knows how we talked before our voice got un-Brooklyned.

5.  Everyone knows what he wants to get in college.

6.  He knew what the customs want most and try to appeal to the users.

7.  They know what they want, what they are doing.

8.  A brilliant student knows how to study efficiently and make the best of time.

9.  You know what is essential and which aspect can be corrected or improved.

10.  How many America knows what DNA means?