问题标题:
theybuilttheoldhouseoveronehundredyearsago改为被动语态
问题描述:
theybuilttheoldhouseoveronehundredyearsago改为被动语态
鲁绍基回答:
theoldhousewasbuiltbythemoverhundredyearsago
they是主体,house客体,变被动客体变主体,主体变客体,一般过去式用was,were+done,house单数,用was
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