<h1><font color="#39b54a"><b>疑问代词：用来提出问题的代词称为疑问代词。</b></font></h1><div>1、<b><font color="#ff8a00">who、whom、whose、what、which、whoever、whatever、whichever</font>主要用于特殊疑问句中,一般放在句首。口语中也常用who代替whom作宾语,但在介词后则只能用whom。如：</b></div><h3><font color="#167efb">Who(m) did you invite to your birthday party?(你都邀请了谁参加你的生日聚会的？) </font></h3><div><br></div><h3><b>2、<font color="#010101">who</font> 和<font color="#010101">whom</font>只能独立使用,</b></h3><h3><b><font color="#ff8a00">其中<u>who</u>可以作句子的主语、表语或动词的宾语,<u>whom</u>只能作谓语动词的宾语；</font>而what、which、whose等既可以独立使用作主语、表语和宾语,也可以与名词构成疑问短语。</b></h3><div style="text-align: left;">如： Who is that man?(那男的是谁？)<br></div><div style="text-align: left;"> What colour are their hats?(他们的帽子是什么颜色？) </div><div style="text-align: left;"> Which car was made in Germany?(哪辆车是德国造的？)(被动句)</div><div><font color="#167efb">注意这个提问：</font></div><div>The man in the car is my father.</div><div>(车里的男人是我父亲)</div><div>→Which man is your father?</div><div>(哪个男人是你的父亲？)</div><div><br></div><div><b>3、<font color="#ff8a00">which</font>除了可以询问指代的情况之外,还可以针对说明<font color="#ff8a00">人物的时间、地点、岁数、颜色、大小、状况</font>等进行提问。</b></div><div>如：People there live a very sad life.</div><div> (那里的人生活凄惨) </div><div> →Which people live a sad life? </div><div> (哪些人生活凄惨？)</div><div><br></div><div> --Which hotel have you booked for your holiday?(为了度假你预订了哪家旅馆？)</div><div>—The biggest one in Haikou.(海口最大的那家旅馆)</div><div><br></div><div><b>4、疑问代词不分单复数,视它所替代的人或事物决定单复数,但是通常用单数；如果修饰名词,则以名词的单复数为准。</b></div><div style="text-align: left;">如：Who is (are) in that playhouse?(谁在游戏房里？) </div><div style="text-align: left;"> What is that? (那是什么？)</div><div style="text-align: left;"> What are those? (那些是什么？) </div><div style="text-align: left;"> What colours do they have?(它们有哪些颜色？)</div>