M. We use 'both', 'neither', 'either' for two things, and with a noun: both books, neither book etc.
a. Both restaurants are very good. (not the both restaurants), neither restaurant is expensive. We can go to either restaurant. I don't mind.
M1. We use 'both of', 'neither of', 'either of' + the/ these/ my/ Jon's etc.
a. say both of the restaurants, both of those restaurants etc. (but not both of restaurants)
b. don't need 'of' after both. (e.g. Both my parents are from London or Both of my parents~.)
c. We can use 'both of', 'neither of', 'either of' + us/ you/ them. (e.g. I asked two people the way to the station, but neither of them could help me.)
d. must say 'both of' before us/ you/ them. (e.g. Both of us were very tired. (not Both us were ~))
e. after ‘neither of ~’ a singular or a plural verb is possible. (e.g. Neither of the children wants (or want) to go to bed.
M2. 'both ~ and ~'. (e.g. Both Bob and Ken were late.)
a. 'neither ~ nor ~'. (e.g. Neither Bob nor Ken came to the party.)
b. 'either ~ or ~'. (e.g. I'm not sure where Bob's from. He's either Spanish or Italian.)
M3. 'either', 'neither', 'both' (two things) and 'any', 'none' 'all' (more than two) (e.g. There are two good hotels here. You could stay at either of them. vs. There are many good hotels here. You could stay at any of them)
more information about the Nouns...
Idiom 365
Whole nine yards (or the whole nine yards): Everything that is relevant
Example: When I eat Mexican food, I like to have fajitas, bean dip, guacamole - the whole nine yards.