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Hasibul Alam Posted 9 years ago
Grammar

What is the meaning of the structure of ''to+have+ verb past participle''

The explosion is also calculated to have produced vast quantities of nitric acid and melted rock that sprayed out over much of Earth.

  

Top answer

to + have + past participle is called the perfect infinitive . The time frame of the infinitive is in the past relative to the main verb.

  • to + have + past participle is called the perfect infinitive .
  • The time frame of the infinitive is in the past relative to the main verb.
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2 Answers
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to + have + past participle is called the perfect infinitive.

The time frame of the infinitive is in the past relative to the main verb.

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Hasibul AlamThe explosion is also calculated to have produced vast quantities of nitric acid and melted rock that sprayed out over much of Earth.

We did calculations concerning the explosion. According to these calculations, large amounts of nitric acid and molten rock were ejected and sprayed all over the earth.

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