Sergio Mejias - video presentacion

1
The present and perfect past
Subject Auxiliary Verb Complement
Made by Sergio Mejias
2
The present perfect Is used to describe actions
that took place in the past but are still
relevant today.
Structure
Subject auxiliary HAVE past participle
complement
Subject The subject who is the one who performs
the action.
3

• Auxiliary Have
• For this tense it is always necessary to use the
  auxiliary have. In this context, this auxiliary
  does not mean having but having.
• I have eaten lobster.
• I havent eaten lobster.

• Past participle
• The past participle form of the verb is central
  to this topic.
• You have been to Paris.
• You havent been to Paris.

The complement what is left of the sentence.
4
The past perfect
Is a verb tense that its form of use refers to an
action that occurred at a time prior to another
action.
Structure Subject auxiliary "had" past
participle complement
PAST PERFECT
5
Auxiliary had In this tense we need to use the
auxiliary "had"

• I had visited my friend twice
• I had not visited my friend twice

I had studied English before coming to London.

• Past participle
• The past participle form of the verb is central
  to this topic.
• She had written her first novel.
• She had not written her first novel.