【例题5】
【题干】【2013四川】8. _______ which university to attend, the girl asked her teacher for advice. A. Not knowing B. Knowing not C. Not known D. Known not 【答案】A
【解析】考查非谓语动词。主语the girl与非谓语动词know之间为主动关系，故用现在分词；且非谓语动词的否定式应在其前加否定词。据此可知答案为A。此处分词Not knowing在句中作原因状语。
四、课堂小结
内容小结
1.动名词形式的基本用法 2. 动名词的复合结构 3. 动名词的时态和语态 4. 动名词的否定式
5. 动名词与动词不定式的区别