Usually not. This is awkward and confusing to the reader, instead say "didn't need". But, if you are writing a poem or any other elegant piece of writing it might be acceptable. Though you should abstain from using "needed not" in everyday conversation.
Vitamin K is needed for proper clotting of the blood
Its Proper To Say I Saw That
it would be proper to say i am fine and how are you
It is proper grammar to say, "I bet you".
No. Instead say, "Please see the attached report" or "The report is attached". "Attache" is not the proper form in English for a past participle, the grammatical entity needed in these sentence.
The criteria needed to construct a proper sentence would be a subject and predicate, as well as capital letters and proper punctuation. The variables, however, to create a proper sentence vary and this is only an example of what is required.
No, it is not proper English to say "on tomorrow." The correct phrase is "tomorrow."
Well, grammatically that is correct and proper. I don't know what your contextual framework is but like I said it is proper to say that.
No, it is not proper grammar. The correct phrasing is "you and I."
If they said that after you said "thank you," no further response is needed. A smile is best.If it's not in response (for example, you show up at their door and they say "come in, you're most welcome"), then say "thank you."
What was there is proper grammar.
How to say "much needed" in spanish is muy necesaria hope that helped!