21.  I don't know the words.

22.  I don't know the word."

23.  I hesitated bringing him here today because he only knows three words and none of them are printable."

24.  I know the words to many of them _ and I know all the melodies."

25.  I couldn't carry on in Spanish about complicated subjects, and Mangu didn't know a word of English.

26.  I never knew that word.

27.  I know the words, and I have the accent.

28.  I saw Rudy, who just came from Italy and hardly knew a word of English, and Mary Ellen, who had a learning disability.

29.  I still know the words to "Blue Shadows on the Trail" and "Riders in the Sky."

30.  I know one word in Croation: idiot.