The Use of "So/Too" (Juga) and "Either/Neither" (Juga Tidak)

Declare an event conducted by someone or something then others do the same (menyatakan suatu kejadian yang dilakukan oleh seseorang atau sesuatu, kemudian orang lain berbuat hal yang sama)

formula: 
POSITIVE SENTENCES

1.  subject + Auxiliary verb (kata kerja bantu) + too (use for too)
2.  so + Auxuliary verb(kata kerja bantu) (use for so)

NEGATIVE SENTENCES

1. subject + Auxiliary verb + either (use for either)
2. neither + Auxiliary verb + subject (use for neither = not either)

EXAMPLE

1. I am an English teacher and you are too.
2. I am an English teacher and so are you.
3. Jessica went to Semarang on her holiday and Sinta does too
4. Jessica went to Semarang on her holiday and so does Sinta
5. Siska did not buy a candy and neither did I
6. Siska did not buy a candy and I did not either
7. lily doesn't call me and you don't either
8. The boys are not student and neither am I

*) Keyword for negative sentences : if the subject in the back, you have to write 'neither' at  front the subject  , because the sentece will be like this ' Siska did not buy a candy and NOT EITHER did '