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Present Perfect, Present Perfect Progressive, and Simple Past Tense

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Unit 3 Present Perfect, Present Perfect Progressive, and Simple Past Tense Notice the contrast in the tenses Present perfect & present perfect progressive Things ... – PowerPoint PPT presentation

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Title: Present Perfect, Present Perfect Progressive, and Simple Past Tense


1
Unit 3
  • Present Perfect, Present Perfect Progressive, and
    Simple Past Tense

2
Notice the contrast in the tenses
  • Present perfect present perfect progressive
  • Things started in the past, continue to present,
    and may continue to future.
  • Simple Past
  • Things happened and completed in the pastnot
    connected to the present.

3
Again, a clear contrast
  • Present Perfect
  • things happened at unspecified time in past
  • Simple Past
  • Things happened at specific time in past.

4
Another contrast
  • Present perfect
  • A time period is unfinished.
  • Simple past
  • A time period is finished.

5
Time of day as example of time period.
  • Morning time period. asking about breakfast
  • Use the Present perfect until noon. (morning not
    finished)
  • Have you eaten breakfast?
  • Use Simple past after noon. (Morning finished)
  • Did you eat breakfast this morning?

6
Additional Contrast
  • Present Perfect
  • An activity or state is finished.
  • Present Perfect Progressive
  • An activity is unfinished. (in progress)

7
Unit 4
  • Past Perfect and Past Perfect Progressive

8
Past perfect
  • Past perfect describes an event that happened
    before another past event.
  • (There are two events. Both are in the past.)
  • He learned that his student film had won an
    award.
  • First (earlier) eventthe award for his film
  • Second (later) eventreceived the information

9
January 1, 2005
  • Write sentences about yourself with this date.
    Use examples with actions that are completed.
  • By January 1, 2005, I had moved back to the
    United States.
  • (Note 1)

10
Past perfect progressive
  • Now make true past perfect progressive sentences
    related to past perfect sentences you created.
  • Focus on the process, not the end result.
  • I had been working in Mexico before I started
    working at IVC.
  • (Note 2)

11
Drawing conclusions based on evidence.
  • Use past perfect progressive
  • Evidence
  • Cecilia got lost going to Los Angeles.
  • Conclusion
  • She had been driving on the wrong freeway.
  • Note 3

12
Order of events
  • Past perfect or past perfect progressive is the
    earlier event.
  • Simple past tense is the later event.
  • Example I had been driving back to El Centro
    when I saw the Perseid meteor shower.
  • Earlier event driving
  • Later event saw the meteors
  • (Note 4)

13
Emphasis on first event
  • My old computer had Windows 98 and there were no
    more updates from Microsoft for it.
  • I had already decided to get a new computer.
  • First event my decision emphasized
  • Later event no updates for Windows 98
  • Note 5

14
Clear relationship between 2 past events
  • After I received my masters degree, I got a
    teaching job.
  • As soon as I received my masters degree, I got a
    teaching job.
  • Before I got a teaching job, I received my
    masters degree.
  • (Simple past for both events often used)
  • Note 6

15
  • Time expression used with past perfect and past
    perfect continuous.
  • By 2003, I had bought a house.
  • Note 7
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