Too / Either Adding a positive or negative comment

Too/ Either

AND…TOO	AND…NOT EITHER
After mentioning a positive idea or fact, add another positive comment with and… too.    (conjunctive expression)	After mentioning a negative idea or fact, add another negative comment with and… not either.  (conjunctive expression)
POSITIVE I am eight today, and my cousin is too.	NEGATIVE I am not a child, and my cousin isn't either.
I am waiting for our new school to open, and my cousin is too.      (present)	I am not worrying, and my cousins aren't either.
I have a new reader (book), and my classmates do too.  (Br. Eng. – have too)	I don't have a desk, and my classmates don't either.  (Br. Eng. – haven't either)
I wished for a new school, and my parents did too.  (past)	I didn't want to be uneducated, and my friends didn't either.
I will work very hard, and my classmates will too.  (modal verb)	I won't be late, and my classmates won't either.

Too / Either (adv.) — See adv for fokus.

Positive / Negative

A POSITIVE STATEMENT	A NEGATIVE STATEMENT
A sentence with a positive verb is "positive" even if the meaning is negative. We use too when adding a comment of agreement to the following:	A sentence with a negative verb is "negative" even if the meaning is positive. We use either when adding a comment of agreement to the following:
POSITIVE VERB – POSITIVE MEANING I like this book, and he does too.	NEGATIVE VERB – POSITIVE MEANING I can't help reading this book, and he can't either.   like, can't stop
I look forward to beginning school, and my friends do too.	I can't wait to begin school, and she can't either.   eagerly anticipate, look forward to
POSITIVE VERB – NEGAITIVE MEANING I dislike this book, and they do too.	NEGATIVE VERB – NEGATIVE MEANING I can't stand reading this book, and she can't either.  dislike
I avoid / detest watching that movie, and they do too.	I can't bear watching that movie again, and I can't either.   cannot tolerate
POSITIVE ADVERB – POSITIVE MEANING They truly believe what he is saying, and I do too.  (always, usually, mostly, never / totally, utterly, completely / confidently, assuredly, reasonably, logically)	NEGATIVE ADVERB – NEGATIVE MEANING They hardly believe what he is saying, and I don't either.  (seldom, rarely, never / barely, scarcely)
POSITIVE PRONOUN – POSITIVE MEANING Everyone believes me, he does too.	NEGATIVE PRONOUN – NEGATIVE MEANING No one believes me, and he doesn't either.   (nobody, not any one, none of them, not one person, hardly anyone)