Diapositiva 1

1
Simple past Vs present perfect
Elvira Hernández Sánchez Autor
Clic here to continue
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When do we use?

• Simple past is used when the activity have
  finished.
• Present perfect is used when we want to talk
  about something which happened in the past but is
  relevant now.

3
Simple past grammar structure

• Affirmative sentence
• I/you/he/she/it/we/they went
  to Mexico City last week.
• Pronoun verb in
  simple past complement.
• Negative sentence
• I/you/he/she/it/they/we did notdidnt
  go to the party
  last week
• Pronoun
  auxiliarnot verb in simple form
  complement.

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Interrogative sentence

• Did I/you/he/she/it/we/they
  do the homework ?
• Auxiliar pronoun verb
  in simple form complement question mark
• Short answers
• yes , I/you/he/she/it/we/they
  did
• yes comma pronoun
  auxiliar
• no , I/you/he/she/it/we/they
  did not didnt
• no comma pronoun
  auxiliar not

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simple past

• study the following examples
• I got five in the exam yesterday.
• I didnt/did not get a good grade in the exam.
• Did you pass the exam?
• Yes, I did
• No, I did not/didnt

6
Present perfect grammar structure

• Affirmative sentence
• Pronoun (I/you/they/we) auxiliar (haveve)
  verb in past participle complement
• Pronoun (He/she/it) auxiliar (has s) verb
  in past participle complement
• Negative sentence
• Pronoun (I/you/they/we) auxiliarnot(have not
  havent) verb in past participle complement
• Pronoun (she/he/it)auxiliar not (has not
  hasnt) verb in past participle
  complement

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Interrogative sentence

• Auxiliar (have) pronoun (I/you/we/they)
  verb in past participle complement ?
• Auxiliar (has) pronoun (she/he/it)
  verb in past participle complement ?
• Short answers
• Yes , pronoun (I/you/we/they) have
  ve
• Yes , pronoun (she/he/it) hass
• No , pronoun (I/you/we/they) have
  not havent
• No , pronoun (she/he/it) has
  hasnt

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present perfect

• Study the following examples
• I have/ve studied for the exam all day.
• I have not/havent studied for the exam.
• Have you studied for the exam?
• Yes, I have
• No, I have not/havent

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Mix

• AHave you ever been in Mexico City?
• (present perfect)
• BYes, I went to Mexico City last week.
• (simple past)
• As you can see we can mix both, simple past and
  present perfect.