Can we change "He didn't come to realize it until yesterday" to...

[Ouyangxiu]

Can We change "He didn't come to realize it until yesterday" to one of the following two sentences?

1. It wasn't until yesterday did he come to realize it.
2. It was until yesterday did he not come to realize it.

[Kitosdad]

"It wasn't until yesterday that he came to realise it.

Kitos.
_________________
Keep it simple ... Keep it interesting.