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Nithila Posted 18 years ago
Grammar

does it passive sentence or active sentence?

Chemically powered lasers have been able to achieve megawatts (one megawatt=one million watts) of power. But they are large and heavy, and require a constant supply of chemical fuel.

i have troble with "able to achive"! so does it passive sentence or active sentence?
  

Top answer

It is active. To be able to + infinitive verb. Able is an adjective.

— Mister Micawber

  • It is active.
  • To be able to + infinitive verb.
  • Able is an adjective.
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1 Answers
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It is active. To be able to + infinitive verb. Able is an adjective.
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