"做某事对某人来说是怎样的"的英文造句是：

It is + 形容词 + for sb. to do sth.

例如：

1. It is easy for me to answer the question.

2. It is important for her to stay healthy.

3. It is difficult for him to learn French.

这些句子都表达了“对于某人来说，做某事是怎样的”的意思，其中“it”是形式主语，真正的主语是后面的不定式短语“to do sth.”，而形容词则用来描述这个动作的性质或状态。