We must plant trees in spring改为被动时态 You may answer the quest

We must plant trees in spring改为被动时态 You may answer the quest 英语被动语态转换快1)We should plant trees in spring.(改为被动语态）Trees in 改为被动语态：We plant trees every spring. We plant many trees in spring every year （改为被动语态） we often plant trees in spring怎么变被动语态 几道初三英语题.we should plant trees in spring (改为被动句） trees_____ _ 将下列句子改为被动语态 we will plant some trees in front of the river. When should we plant the trees They (〉in spring. 被动语态专项练习 They may plant fruit trees on the hill next spring. 被动语态练习一、基础训练（请对照表格对应的时态）1.We don’t plant trees in spring eve We should plant trees in spring.改成被动语态怎样改? you ( ) to plant trees in spring