主动句和被动句是英语语法的重要形式,掌握它们有助于更精准、清晰的表达。例如,“狗追猫”可以被动句表达为“猫被狗追”,“约翰写了信”可以变为“信被约翰写了”。在实际应用中,我们需要根据具体情况灵活运用主动句和被动句,以确保表达的准确性和流畅性。
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主动句:The dog chased the cat. 被动句:The cat was chased by the dog.
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主动句:John wrote the letter. 被动句:The letter was written by John.
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主动句:They are building a new hospital in the city center. 被动句:A new hospital is being built in the city center by them.
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主动句:The company will launch a new product next month. 被动句:A new product will be launched by the company next month.
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主动句:The teacher gave the students a quiz. 被动句:A quiz was given to the students by the teacher.
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主动句:The chef is cooking dinner. 被动句:Dinner is being cooked by the chef.
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主动句:The police arrested the thief. 被动句:The thief was arrested by the police.
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主动句:She will ask him for help. 被动句:He will be asked for help by her.