Question

can we use "as "after "only" in grammar?​

Answer 1

Answer:

The last sentence can be rephrased as: If only is followed by the subject at the beginning of the sentence, there is no inversion: Only you can understand. (No one else can understand.)

Answer 2

$\;\mapsto\;\;\underline{\underline{\bf{\blue{Answer\::-}}}}$

The last sentence can be rephrased as: If only is followed by the subject at the beginning of the sentence, there is no inversion: Only you can understand. (No one else can understand.)