i eat an apple everyday改为被动语态

i eat an apple everyday改为被动语态？

主动句：I eαt an apple everyday.

→被动句：An apple is eaten by me everyday.

主动句变被动语态的各种时态一般过去式（昨天吃了一个苹果）：I ate an apple yesterday.（主动语态）An apple was eaten by me yesterday. （ 被动语态）一般将来时（明天吃了一个苹果）：I will eat an apple tomorrow.(主动)An apple will be eaten tomorrow.(被动)一般现在时（我刚刚吃了,或者不强调时间）：I eat an apple.(主动)An apple is eaten .(被动)现在进行时（我正在吃）：I am eating an apple now.(主动)An apple is being eaten now.(被动)现在完成时(我刚刚已经吃了一个了)：I have just eaten an apple.(主动)An apple has been eaten.(被动)

I eat an apple every day.改为被动语态是:An apple is eaten by me every day.

主动语态变被动语态，由主动语态的宾语变为被动语态的主语，主动语态的主语变为被动语态的宾语，但宾语前要加介词by. 宾语在被动语态中经常省略。被动语态的谓语动词由助动词加动词的过去分词构成，不同的时态，有不同的助动词。一般现在时被动语态结构是:主语十am/is/are十动词的过去分词十其他。