Nothing is difficult if you put your heart into it,_____?Not

Nothing is difficult if you put your heart into it,_____?Nothing is impossible if you put your
Nothing is difficult if you put your heart into it,______?Nothing is impossible if you put your heart into it,____?两个反义疑问句怎么填?

一样,都是填 is it ( 前否后肯）
再问： 啊…为什么前面是否定的？怎么看出来的…
再答： 根据：nothing

反意疑问在陈述部分中如有nothing, few, little，never ,hardly 等含有否定含义的词，附加疑问部分用肯定形式