课中导学
Step 1 Presenting the structure of “It is + 形容词 + of sb. to do sth.”和“It is + 形容词 + for sb. to do sth.”
In the text on page 94 there is a sentence: It is necessary for you to support and help each other before and during the event.
“It is + 形容词 + of sb. to do sth.”和“It is + 形容词 + for sb. to do sth.”这两个句型使用频率都很高，前者表示说话人对客观事物的高兴、惊讶、遗憾、难过等情绪，表现的是人的性格、品质或特征，经常可以转换成：
