So, Too, Either, Neither

so and too

The word 'so' and 'too' are useed to combine two positive statement with identical predicates to form a compound sentences.

 Formula:
so + auxiliary verb + subject
subject + auxiliaey verb + too

Example :

Sonya likes playing doll. Shania also likes playing doll.
-sonya likes playing  doll and so does shania
-sonya likes playing  doll and shania does too

either and neither

The word 'either' and 'neither' to combine two negative statements with identicalpredicates to form a compound sentence.

Formula:
Subject +  auxiliaey verb + not + either
neither + auxiliaey verb + subject

Example:
Aldo is not doing his homework now. Benny is also not doing her homework.
-Aldo is not doing his homework now and Benny is not either
-Aldo is not doing his homework now and neither is Benny