am, is, are ...

The basic function of   ‘am’  at four situations  :  

  ‘Am’  is a unique word used when the subject is  ‘I’  in the Present Tense.

    a)  I am  a singer. ( a fact, independent use, acting as main verb, Simple Present  Tense)             

          I am here in the class room.   I am a learner.  I am happy.   (   ,,     ,,    ,,    )

    b)  I am singing now.  ( Present Continuous Tense, helping ‘ing form’ of a main verb)

    c)  I am called Chinnu.  (Simple Present Tense, Passive Voice, helping V3,)

    d) I am being asked many questions by the teacher. ( Present Continuous Tense, Passive Voice, helping V3 + another Be form ‘being’)         
           I am being asked many questions by the teacher.  ( Passive Voice ) =

           The teacher is asking me many questions. ( Active Voice)

The basic function of   ‘are’  at four situations  :  

    a)  We are  friends. ( a fact, independent use, acting as main verb, Simple Present  Tense)             

      We/ You /They  are  in the class room.They are  students .They are good.( ,,  ,, ,,)

  b)  We are learning Be-forms at the moment.  ( Present Continuous Tense, helping ‘ing form’of a main verb)

  
  c)  We are called ‘Hi-fives’.  (Simple Present Tense, Passive Voice, helping V3,)

   d) We are being imitated by other class mates. ( Present Continuous Tense, Passive Voice, helping V3 + another Be form ‘being’)