jueves, 10 de diciembre de 2015

Present Perfect

Video

The Present Perfect Simple Tense

How to form the present perfect

To make the positive present perfect tense, use:
  • 'have' / 'has' + the past participle
  • Make the past participle by adding 'ed' to regular verbs (for example, 'play' becomes 'played')
  • There are a few verbs that change their spelling when you add 'ed' (for example, 'study' becomes 'studied')
  • We also have some completely irregular verbs
(Also, here's some help if you are not sure how to pronounce '-ed' at the end of a verb).
PositivePositive Short Form
have playedI've played
you have workedyou've worked
he has writtenhe's written
she has walkedshe's walked
it has rainedit's rained
we have travelledwe've travelled
they have studiedthey've studied
The negative is really simple too. Just put 'not' after 'have' or 'has':
NegativeNegative Short Form
have not eaten breakfast todayI haven't eaten
you have not been to Asiayou haven't been
he has not seen the new filmhe hasn't seen
she has not played tennisshe hasn't played
it has not snowed this winterit hasn't snowed
we have not slept all nightwe haven't slept
they have not tried the foodthey haven't tried
To make a question, put 'have' or 'has' in front of the subject:
'Yes / No' Questions
have I missed the bus?
have you visited London?
has he worked as a waiter before?
has she met John?
has it been cold this week?
have we arrived too early?
have they studied English grammar before?
As you can imagine, for 'wh' questions, we just put the question word before 'have' or 'has':
'Wh' Questions
where have I left my umbrella?
what have you done today?
why has he gone already?
where has she been in the UK?
why has it rained so much this summer?
what have we done?
where have they learned English before?

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