#Present Tenses
Present Simple = Simple Presente
This tense is used with:
    Timetables
    Permanent situations
    Habits
    Truths and scientific facts
    conditional sentences: types 0 and 1
 Form:
  Affirmative            Negative           Interrogative
 In 3rd Person          We use don’t         We use do
  Singular we            and doesn´t          and does
   add -s/-es          (doesn’t use in      (does use in
                         3rd person          3rd person
 S+Verb(s/ves)            Singular            Singular
     +...
Verbos terminados em S+Don’t/doesn’t         Do/Does+S+
-o, -z, -ss, -ch, -sh, -x +Verb(base          Verb(base
        verb+es            form)+...          form)+...?
 Verbos terminados
em consoante+y tira-      Verbos terminados em
  se o y verb+ies        vogal+y deixa o y verb+s
 Examples:
    He plays soccer very well.
    She loves chocolate.
    They go to school in the afternoon.
    I always read the newspaper in the morning.
      We generally travel to Brazil in December
      Does he teach Spanish at the university?
      They don't prefer Italian food.
 Present Continuous
  This tense is used with:
      Things that are happening now
      Temporary situations
      Future arrangements already planned, using a future
      time expression(tomorrow;Next Monday,ect.)
  Form:
    Affirmative            Negative          Interrogative
  Subject + verb        Subject + verb      Verb aux to be
 aux “to be” + not     aux to be + verb     + subject + verb
 + verb with -ing +       with -ing +          with -ing +
    complement           complement          complement ?
S+Verb aux “to be”      S+verb ”to be”     verb aux”to be”
  +verb(ing)+...          in negative      +S+Verb(ing)+...?
                           +verb(ing)
  Examples:
        She is talking to her mom now.
        Are they studying at the moment?
        She is American, but she's living in Canada at present.
        They are studying for the test.
        They are not studying for the test.
        Are they studying for the test?
 Present Perfect
This tense makes a link between the past and the
present. It is used with:
    unfinished states which started in the past and are still
    continuing now, using “since” (a point in time) or “for”
    (a period of time);
    a finished action at unspecified point in the past, to
    express a life experience;
    an action completed recently with a result in the
    present;
    an action already completed in a time period that is
    still continuing, using a time expression (today,this
    week, this year, ect.).
  Form:
    Affirmative          Negative           Interrogative
We use verb aux        We use varb        We use verb aux
have/has and verb       aux haven’t       have/has +subject
 principal in past      /hasn’t and       and verb principal
    participle         verb principal     in past participle
     S+Verb              S+ verb aux       Have/has+S+
  aux(have/has)        haven’t/hasn’t+      Verb in past
   +verb in past         Verb in past      participle+...?
   participle+...        partciple+...
  Examples:
       Have my parents visited Portugal three times?
      Dian has not visited Germany two times
      I have tried sushi before
      She has never been to the States.
      I have always wanted to study German.
      He hasn’t been arriving early lately
Table of irregular verbs past participle:
Present Continuous
 This tense is used with:
    unfinished actions which started in the past and
    continue into the present;
    temporary habits or states, using a time expression
    (recently, in the last few weeks, ect.)
    an activity completed recently, but with visibale result
    at the present moment.
 Form:
   Affirmative           Negative           Interrogative
We use verb aux      We use verb aux        we use had
 had been and        hadn’t been and       +subject+been
   verb(ing)            verb(ing)          and verb(ing)
   S+had been           S+hadn’t or         Had+S+been
  +verb(ing)+...          had not          +Verb(ing)+...?
                        e+verb(ing)
                            +...
 Examples:
     Had Julia been studying english for five weeks?
     How long had it been raining?
     We had been waiting there for 2 hours before the bus
     arrived
     He hadn’t been sleeping well for the last few nights.
     I had been writing articles on various topics for three
     hours.