to send is transitive. In other words, it must have an object. For example, please send the book to Jane.Sometimes, in shortened, 'clipped' usage one drops the objects, for example Please send [it to me] at once! Here the words in brackets are understood. In your example, I assume that menot the direct object, that you are not thinking of something like 'Please send me to China ...' If there is an implied direct object it should be included. The correct version is: Send it to me if ...
Please have patience is the correct sentence.
No, it is not grammatically correct. If you want someone to correct it for you, please can you explain what you are trying to refer to?
yes
would you pass me the sugar please
The proper form is "Please spare me from..." or simply "Spare me your..."
Please have patience is the correct sentence.
Is this sentence correct? "Please keep this door closed"
Dalila had to explain to the class about her project .
The correct grammar for the sentence is: "Please note that this letter is merely an inquiry regarding your interest and availability."
No, it is not grammatically correct. If you want someone to correct it for you, please can you explain what you are trying to refer to?
Nope. The correct way would be Who wants me to about them? Please raise your hands.
There is nothing grammatically wrong with the sentence "We were wondering."
yes
are unknown
would you pass me the sugar please
Please explain the relevance of your complaint.
We do not understand what you mean by this question, please explain.