用was were+doing 造两个肯定句 两个否定句 两个一般疑问句 两个特殊疑问句麻烦速度快一些

用was造句/were/did各造两个句子,并改为否定句,一般疑问句,肯/否定回答共18个句子 用was were+doing 造两个肯定句 两个否定句 两个一般疑问句 两个特殊疑问句麻烦速度快一些 用was造两个句子,包括陈述句,一般疑问句,否定句和肯否定回答 用过去进行时造5个句子有翻译句子结构：主+were/was+doing was/were后接doing还是did What___you___when someone knocked at the door?A.did;do B.were;doing C.do;do D.are;doing什么时候用was/were doing,什么时候用did while sb was/were doing与when sb was/were doing有什么区别呢?什么时候用前者,什么时候用后者 帮忙用was/were doing .when ; be about to do.when;had just done.when造句, was/were doing/ to do 分别是什么时态?怎么有的用过去式表示将来? was/were been doing 和was/were being done 区别是什么?分别表示什么?如题... what were you doing while i was away last week was were doing 是表示过去将来时吗 #英语四六级#were/was doing 除了表示过去正在做 在什么情况下还可以用呢 be doing是进行时那 was或were doing是过去进行时吗? 用过去进行时造十个句子!急 比如：I was,You were,He was ,It was,We were They were ,You were..造十个, a.What were you doing when it rained.b.What were you doing while it was raining. what you when your mother came back?A.are;doing B.were;doing C.did;do D.was;doing 帮忙做几道英语练习5.He and his brother_____their homework while their father_____last night.A.were doing ,was watching B .were doing ,were watchingC.was doing ,was watching D.did ,was watching