【正文】
have been written 例: The next thing to be done is to carry away the 。如: He see ms to be 。(to have run down發(fā)生在appears所表示的時(shí)間之前) 但在下面句子中,動詞不定式表示“動作沒有完成”: We were to have met at ,考研英語《考研英語:語法大全(動詞不定式語態(tài)用法)》。(to have ) She seems to have read the book 。(to be在wanted之后