【正文】
動 主 動 一般式 doing being done doing 完成式 having done having been done having done 作主語:動名詞 Teaching is my fulltime job. Writing an English position is not easy. It’s useless taking this kind of medicine. 作表語 ( 1) 動名詞 My job is teaching. = Teaching is my job. Her fulltime job is laying eggs. =Laying eggs is her fulltime job. ( 2) 現(xiàn)在分詞 The play is exciting. ≠ Exciting is the play. The story he told us was very interesting. ≠Inter