sábado, 24 de agosto de 2013

past perfect



PAST PERFECT
The past perfect tense expresses action in the past before another action in the past. This is the past in the past. For example:
    The train left at 9am. We arrived at 9.15am. When we arrived, the train had left.

Look at some more examples:
    I wasn't hungry. I had just eaten.
    They were hungry. They had not eaten for five hours.
    I didn't know who he was. I had never seen him before.
    "Mary wasn't at home when I arrived."
"Really? Where had she gone?"

MOREOVER
If the Past Perfect action did occur at a specific time, the Simple Past can be used instead of the Past Perfect when "before" or "after" is used in the sentence. The words "before" and "after" actually tell you what happens first, so the Past Perfect is optional. For this reason, both sentences below are correct.
Examples:
  •   She had visited her Japanese relatives once in 1993 before she moved in with them in 1996.
  • She visited her Japanese relatives once in 1993 before she moved in with them in 1996.


EXTRA EXERCISES

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