They have collected stamps since 1986.改为被动语态

相关推荐

• 1The workers have built several new highways in Shanghai since 1995.改为被动语态.
• 1.Some question ______at their class meeting last week?A raised B rose C were risen D were raised2.My father often ____that piece of music alone at home .(joy)3.After the earthquake,people have to rebuild many houses.(改为被动语态）After the earthquake,many houses have to ___ _____.4.The old man has planted many trees since he came to live here.(改为被动语态）Many trees____ ____planted by the old man since he came to live here.
• I have been teaching English since 1986.改为同义句
• They have collected stamps since 1986.改为被动语态
• I have been teaching English since 1986.改为同义句帮帮忙
• 现在完成进行时的被动语态结构是have been +过去分词还是have been+doing例如：They have been collecting some stamps since2000Some stamps have been collected by them since 2000
• English 被动语态 根据要求转换句型根据要求转换句型1.the book may be kept (for two weeks) 对括号内容提问_______ _______ _______the book _______ _______?2.(about one thousand) stamps have benn collected 对括号内容提问_______ _______stamps _______ _______collected?3.I saw Jack helping a blind man cross the street yesterday afternoon 改为被动语态Yesterday afternoon Jack _______ _______ _______a blind man cross the street4.you can renew the book for another week 改为被动语态The book _______ _______for
• 一个圆柱形容器的容积为V立方米，开始用一根小水管向容器内注水，水面高度达到容器高度一半后，改用一根口径为小水管2倍的大水管注水．向容器中注满水的全过程共用时间t分．求两根水管各自注水的速度．
• We have been collecting stamps for five years .