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Frazpk Posted 8 years ago
Grammar

Tense usage with the time expression "Over the period of"

Hi guys,

Which of the following sentences would be correct with the time expression "over the period of", present perfect or past simple.


Over the period of a year, the petroleum prices have doubled.

Over the period of a year, the petroleum prices doubled.

The petroleum prices have doubled over the period of several years.

The petroleum prices doubled over the period of several years.

I have visited many countries over the period of 2 years.

I visited many countries over the period of 2 years.


Thank you for your help.

Regards

  

Top answer

Unless you have established from context a particular period of several years, you want "over a period of several years". The same applies, of course, for "two years" or "a year". Both tenses are OK.

— CalifJim

  • Unless you have established from context a particular period of several years, you want "over a period of several years".
  • The same applies, of course, for "two years" or "a year".
  • Both tenses are OK.
  • CJ
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1 Answers
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Unless you have established from context a particular period of several years, you want "over a period of several years". The same applies, of course, for "two years" or "a year".

Both tenses are OK.

CJ

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