分类：教育/科学-人文学科-语言学
问题：动词不定式都作什么并举出例句 
动词不定式都作什么  并举出例句
回答：“动词不定式”由动词+不定式构成。动词不定式在句中可以作句子除谓语之外的任何句子成分。
It's a great honour to be invited to Mary's birthday party.（不定式作主语是被动语态to be invited是被邀请）
It was impossible for lost time to be made up.（不定式作主语）

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I wish to be sent to work in the country.（不定式作宾语）
Can you tell me which is the car to be repaired?（不定式作定语）
He went to the hospital to be examined.（不定式作状语）