英语中，V+to be done都=V+doing？？

动名词
??测试的重点在于判断哪些动词或结构后要求接动名词，以及动名词的时态和语态。
??（1）接动名词作宾语的动词 这些动词有：admit，allow，anticipate，appreciate，avoid，?consider，deny，delay，enjoy，excuse，favor，fancy，finish，imagine，keep，mind，miss，permit，postpone，practise，prevent，resent，resist，risk，suggest等。
??例12 Many people favor ____ more nuclear power plants.
??A) to build B) build C) built D) building
??答案是（D）
??例13 They are considering ____ the house before the prices go up.
??A) to buy B) buying C) buy D) being bought
??答案是（B）。

??（2）动名词的短语 这些短语有：be opposed to，be used to，can't help，feel like，give up， go on，insist on， keep on，leave off，look forward to，object to，put off，succeed in等。
??例 14 She was so angry that she felt like ____ something at him.
??A) to throw B) throwing C) to have thrown D) having thrown
??答案是（B）。

??（3）名词在其它结构中的使用 to be busy doing sth. to spend/waste time（in）doing sth.?have difficulty/trouble （in）doing sth. to be no use /good （in）do