The expression 'I'd like to have been a fly on the wall." seems to have gotten a bit mixed up. In this expression, the 'fly' means to be an unnoticed eavesdropper to an interesting conversation or situation.
The use of the word 'eardropper' is called a malapropism or malaprop, a word that is used wrongly but sounds like the word that you should have used, especially one that creates a funny change of meaning, such as, "You could have knocked me over with a fender", which should say feather.
NO. These are correct; I could have punched I have punched I had punched I had been punched I have been punching I had been punching
The verb phrase is "should have been."
been washed. This is a passive verb phrase.
No, in English, the term is "taken sick."Used in a sentence: "Poor Jonny's taken sick. He's been in bed all day."
You report on something. You write a report about something, or on something.
The correct phrase is "I'd like to have been a fly on the wall." The phrase implies a desire to secretly witness or overhear a conversation or situation. "Eardropper" is not a commonly used term for this concept.
i'd like to have been an eardropper on the wall
The phrase "had already left" is grammatically correct. The phrase "had already been gone" is not grammatically correct.
Yes. The correct phrase is "has been".
I'd like to have been an eardropper on the wall means that that person likes to eavesdrop
NO. These are correct; I could have punched I have punched I had punched I had been punched I have been punching I had been punching
Yes, that is a grammatically correct sentence. It conveys the idea that the experience has been positive and educational.
"You wish you had born" is not grammatically correct. You're perhaps thinking of the phrase "you wish you hadn't been born"
"You have always been the best" would be more grammatically correct.
Been is the past tense of the verb to be: I have been to the library. The term "of been" is not a correct phrase in English. Unfortunately, many people use it instead of "have been". For example, "I could of been an athlete." is incorrect; "I could have been an athlete." is the correct term.
The phrase (not sentence) 'long-standing army' is grammatically correct. It means 'an army that has been established for a long time.'
Your phrase is not good English - 'I went to school or I was at school or I have been to school' would be better