It should be observed that

You start the sentence with the whole phrase. Then you add the word that. After that, you state your fact or observation. For example, It should be observed that the sky is blue. It acts as a polite 'look here' sign. You can use it to link two ideas. It helps transition from a general point to a specific detail. It makes your writing flow like a professional river. It usually sits right at the beginning of a sentence.

This is your best friend in university essays. Use it when you have a killer piece of evidence. It works great in scientific reports. Use it when you want to sound like an expert. If you are writing a formal letter of complaint, use it. It adds weight to your arguments. It makes you sound serious and well-researched. Professional presentations are also a great place for it.

Please do not use this while buying milk. Your grocer will think you are very strange. Avoid it in casual text messages to your friends. If you use it during a first date, you might not get a second. It is too stiff for a relaxed dinner. It kills the vibe in a fun conversation. Keep it away from your social media captions unless you are being ironic.

This phrase belongs to the world of 'hedging.' In English academia, we often avoid saying 'I am right.' Instead, we say 'the evidence shows.' This phrase removes the person from the statement. It makes the fact seem like it exists on its own. It comes from centuries of legal and scientific writing. It values logic over personal opinion. It is the language of the 'objective observer.'

You might hear It is worth noting that. This is slightly softer but still formal. It is important to observe is another choice. Some people prefer Notably, ... for a shorter version. It should be pointed out that is a direct synonym. All of these serve the same purpose. They highlight a specific detail for the reader. They all sound very smart.