Word order in declarative statements

In these examples, why does the first sentence feel uncomfortable, compared to the second?

1. It’s fascinating to use this camera to see how will be the back of my garden.
2. It’s fascinating to use this camera to see how the back of my garden will be.

See here also

1. They want to see what the state is of their accounts.
2. They want to see what the state of their accounts is.

1. I need to know when appeared the baker.
2. I need to know when the baker appeared.

What’s the rule here for the placement of the verbs? It seems not to be as logical as "following an S-V-O model".