'Each of you has...' is correct.
No. Drop the s and say "each member."
No. Each is singular.
Yes, it is correct to say "each of the existing members" to refer to every individual currently in the group or organization.
yes it is right
They are just voicing their opinion
No. It should be "Consist".
Yes, it is correct to say "in every tooth" when referring to something that occurs or exists within each individual tooth.
Yes, "each of whom is" is grammatically correct. It is used when referring to individuals within a group, emphasizing that each person is being considered individually.
yes - 40 minutes each way
If you are standing beside someone you are said to be standing "at his side," and you would say "he is at my side." You would be standing beside each other, or "side by side."
It is not correct, you have to say on the beach.
Is it correct to say no one cares?