N4 — outside your level filter
のは〜だ
のは〜だno wa daN4neutral
it is X that — one part is pulled to the end
彼に初めて会ったのは、去年の夏でした。
kare ni hajimete atta no wa, kyonen no natsu deshita.
It was the summer of last year that I first met him. neutral
今いちばん食べたいのは、やっぱりラーメンかな。
ima ichiban tabetai no wa, yappari raamen kana.
What I want to eat most right now is ramen, I think. casual
All examples5
it is X that — one part is picked out as the answer
彼に初めて会ったのは、去年の夏でした。
kare ni hajimete atta no wa, kyonen no natsu deshita.
It was the summer of last year that I first met him. neutral
今いちばん食べたいのは、やっぱりラーメンかな。
ima ichiban tabetai no wa, yappari raamen kana.
What I want to eat most right now is ramen, I think. casual
本日お集まりいただいたのは、来年度の方針をご説明するためです。
honjitsu oatsumari itadaita no wa, rainendo no houshin o go setsumei suru tame desu.
The reason we have asked you here today is to explain next year's policy. formal
返事が遅れたのは、メールに気づかなかったからです。
henji ga okureta no wa, meeru ni kizukanakatta kara desu.
The reason my reply was late is that I didn't notice the email. neutral
昨日行かなかったのは、単に忙しかったからだよ。
kinou ikanakatta no wa, tan ni isogashikatta kara da yo.
The only reason I didn't go yesterday is that I was busy. casual
How it's formed1
All forms1
のがnogaalternant
が in place of は where the focus is picked out of a set rather than set against something else — 今回特によかったのが、この曲です.