肯定句 somebody was/were doing soeshing
否定句 somebody was/were not doing something
一般疑问句 wasn't/weren't somebody doing something
特殊疑问句 特殊疑问词+was/were somebody doing?
1年前
共回答了122个问题
had been doing
had not been doing
had ** benn doing
1年前
过去进行时, 就是将现在进行时的助动词be改成过去式 ^_^
陈述句: _____ was/were doing.
否定句: ______ was/were not doing.
_______ wasn't/weren't doing.
一般疑问句: Was/Were ______ doing?
(Wasn't/Weren't ____...
1年前