neither,either什么时候用

1.
1)Neither is usually followed by nor. neither...nor...译为 "既不...也不..." 2)also not <neither did I>

2
either:1)being the one “and ”the other of two 例子flowers blooming on either side of the walk。两者中的任何一者都...相当于each.
2)being the one “or ”the other of two
take either road.两者之一

neither两个都不
否定句的时候代替both

either两者之一