英语语法：二十四句完全攻破反意疑问句(3)

　　①What he said is true, isn’t it? (不用didn’t he?)

　　②Where we will build the dam has not been decided yet, has it? (不用won’t we?)

　　二十四、陈述部分的主语为动名词或不定式时，问句的主语用it代替。如：

　　①To do one good deed is easy for a person, isn’t it?

　　②Skating is your favorite sport, isn’t it?