动词不定式的用法答:动词不定式作主语的常用句型有:1. It is+adj./ n. (+for sb./sth.) + to do sth.用于此句型的形容词有:easy, hard, difficult, possible, important, impossible, necessary, good, bad, exciting, interesting, surprising等。例如:It is interesting to play this game.It is necessary...
不定式的用法答:We found it impossible to get everything ready in time. I think it important to learn English well in college. 使用这种句型的常见动词有:believe, consider, declare, feel, find, guess, imagine, prove, realize, suppose, think,等。4)“whword+不定式”结构不定式前加一个...