One of the main points to make is that 高くなかったビル is not a complete sentence as it stands. This is a noun. One could finish this with any sort of noun clause (as a random, very simple example, 高くなかったビル入った).
ビルは高くなかった, on the other hand, is a complete sentence already.
One of the main points to
One of the main points to make is that 高くなかったビル is not a complete sentence as it stands. This is a noun. One could finish this with any sort of noun clause (as a random, very simple example, 高くなかったビル入った).
ビルは高くなかった, on the other hand, is a complete sentence already.