AFFIRMATIVE AGREEMENT :

Ex : -Afirmative Agreement (to+be)+and
        Subject + to be + too, so + to be + Subject

       My hand writting is bad, and so are you

      - Affirmative statement + and +                              Subject + auxiliary verb only + too
       (auxiliary verb)                                                So + auxiliary verb only + subject


        Richard has lived in Cuba for five years, and they have too.

       - Affirmative statement + and +                              Subject + (do, does, did) + too
        (single verb except ”to be”)                                    So + (do, does, did) + subject

       My brother invites him to the party, and my sister does too.

NEGATIVE AGREEMENT :

Ex: -Negative statement + and +                   Subject + negative auxiliary or “to be” + either
                                                                       Neither + positive auxiliary or “to be” + subject

The manager isn’t too happy with the project, and neither is his assistant.

VERB AS COMPLEMENT

Ex: -Complement (infinitives)

       I ask him to wash my car 

      -Complement (gerund)

      George is planning a vacation next month

      -Complement (non clause)

       Father told me that i must be a strong men