"I would observe" is a correct and usable phrase in written English.
It is often used to express the speaker's intention or hypothetical action in a specific situation. Example: "I would observe the birds in the park every morning, taking note of their behaviors and songs."
The first observation, which was an unstructured observation with an open-eye approach, made it clear how the upcoming observations would be conducted and what I would observe.
"I would observe all the appropriate ceremonies.
"I would observe the clothes and the apartments in the background, and the clothes and houses were neat and great," Kim said.
James Barford at Enders comments: "One major trade sale alternative would be in market consolidation and I would observe that Three Ireland bought O2 Ireland".
There is, I would observe here, a kind of zero-sum perfection about the way the theatricality of the flamboyant, future-oriented sign-posting is matched by all the retrospection.
I would observe only that whereas the prosecution was forbidden to talk about the victim, no such prohibition applied to your writer, and I would have liked to see some of that angle in the story.
At first I'd observe, then I'd take the class with a member of staff watching.
I figured this was another of those foreign habits — like eating horse meat — that I'd observe from a respectful distance.
This isn't Galston's point, but I'd observe that the more government has become transparent, the less people are inclined to trust it.
/…/it would be beautiful to think, actually, that I would take someone by my side, a young one, and together we would teach, I'd observe him/her, supervise, guide, politely of course!
And I'd observe the emphasis he would put on certain lines, and then stare at the audience.
