◎ 本句型中的it為形式主語,代替后面的不定式,意為“做……更……些”。這種結(jié)構(gòu)中的形容詞前還可用much修飾,進(jìn)行強(qiáng)調(diào)。
It is better to take a holiday. 休一次假更好。
It will be better to give up the job. 放棄那份工作會更好。
It is(much)more difficult to climb to the top of the mountain. 爬到山頂會更難。
It is wiser to look before you jump. 看了才跳更明智。
It will be more difficult to go down the hill. 下山會更難。