PRESENT CONTINUOUS

AFIRMATIVE: subject + verb + -ING form
                        I         AM  
                     YOU
                     WE       ARE    SERVENING
                     THEY
                     HE
                     SHE        IS
                      IT

NEGATIVE: subject + be + not + verb
                     I          AM   NOT
                  YOU
                  WE        ARE  NOT  SERVENING
                  THEY
                  HE
                  SHE        IS     NOT
                  IT

QUESTION: be + subject + -ING form
                 AM       I
                           YOU
                 ARE    WE        SERVING?
                           THEY
                           HE
                 IS       SHE
                           IT
USE:
We use the present continuous to talk about what´s happening now
SHORT FORMS:
AM NOT ------- ´M NOT
IS   NOT -------   ISN´T
ARE NOT ------  AREN,T

PRESENT SIMPLE

It´s used for habitual actions.
FORM:
AFIRMATIVE: subject+verb(-E(-S) for HE, SHE, IT.
  * EXCEPT MODEL VERBS; BE (AM, IS, ARE)
                                        HAVE (HAVE, HAS)
NEGATIVE: subject+DON´T//DOESN´T base of the verb
QUESTION: DO// DOES+subject+base of the verbs
  * EXCEPT WHEN YOU ASK FOR THE SUBJECTS
SHORT ANSWER:
     yes,I do// no, I don´t
     yes, he does// no, he doesn´t

MEAT

BEEF : COW
LAMB : LAMB
PORK : PIG
VEAL : YOUNG COW
MUTION : SHEEP OLD COW

TIME PREPOSITIONS

IN : the morning
      the afternoon
      the evening   SEANSONS, MONTHS, YEARS

AT : at night
       at christmas
       at easter
       at time

ON : days  ( ON MONDAY )
        special ocassions  ( ON CHRISTMAS DAY )