2008届高考第
二轮复习英语语法讲解
It句型归纳
1．It is ＋adj．(＋f sb．／sth．) ＋ to do sth．
用于此句型的形容词有：easy，hard，difficult，possible，imptant，impossible， necessary，good，bad，exciting, interesting，surprising等。如：
It is necessary to change your job．
It was very hard f them to walk such a long way in the snow．
