martes, 14 de mayo de 2013

Present Simple or Present Continuous

Simple PresentPresent Progressive
infinitive
(3rd person singular: infinitive + 's')
I speak
you speak
he / she / it speaks
we speak
they speak
form of 'be' and verb + ing
 
I am speaking
you are speaking
he / she / it is speaking
we are speaking
they are speaking
Exceptions
Exceptions when adding 's' :
  • For can, may, might, must, do not add s.
    Example: he can, she may, it must
  • After o, ch, sh or s, add es.
    Example: do - he does, wash - she washes
  • After a consonant, the final consonant ybecomes ie. (but: not after a vowel)
    Example: worry - he worries
    but: play - he plays
Exceptions when adding 'ing' :
  • Silent e is dropped. (but: does not apply for -ee)
    Example: come - coming
    but: agree - agreeing
  • After a short, stressed vowel, the final consonant is doubled.
    Example: sit - sitting
  • After a vowel, the final consonant l is doubled in British English (but not in American English).
    Example: travel - travelling (British English)
    but: traveling (American English)
  • Final ie becomes y.
    Example: lie - lying

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