1. What are the major types of finite and non-finite subordinate clauses? �������־�ͷ��������־����Ҫ��ʽ��ʲô?
2. The choice of a non-finite verb form after the main verb in an English clause has been one of the trickiest problems in English grammar. Ӣ��С���з������ʵ�ѡ������һֱ����������ѧ�ߵ��ѵ�֮һ��
3. Results Medical English, as a special-purpose English, has some features different from that of ordinary English in terms of etymology, amphibious words, non-finite verb, etc. �����Ϊһ��������;Ӣ�ҽѧӢ���ڴʻ���Դ�����ܴʻ㡢���ϴʻ㡢��ν�ﶯ�ʡ�������ʻ�ȵ�ʹ�÷�����в�ͬ����ͨӢ��Ĵʷ�������
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adj.
1. of verbs; having neither person nor number nor mood (as a participle or gerund or infinitive)