Sはどのようか

what S be like

what S look like

I want to know what the new teacher is like.

what it is like to：itは形式上の主語

I don't know what it is like to live in the country.

※how S isとは言わないことに注意。I don't know how Tom isにすると「トムの健康状態を知らない」になる。