were sb doing还是were sb did sth?就像这个句子:Were they planting a big tree in the garden?还是Were they planted a big tree in the garden?那个...还有一个We must buy enough food for the trip.怎样改一般疑问句?
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were sb doing还是were sb did sth?
就像这个句子:
Were they planting a big tree in the garden?
还是
Were they planted a big tree in the garden?
那个...
还有一个
We must buy enough food for the trip.
怎样改一般疑问句?
Were they planting a big tree in the garden?
be 动词后面跟ing形式的
Must we buy enough food for the trip?
Were they planting a big tree in the garden?
选择前者.因为是询问一个过去的 在种树的 状态
后者想要询问的话应该 以did开头
因为是针对后面种树的动作
第二个问题
改为
do we have to buy enough food for the trip?
Were they planting a big tree in the garden是对的
Were they planted a big tree in the garden还原是 they were planted a big tree in the garden.不能用被动,是错的
第一个
be动词加动词ing形式表示正在进行
没有be did
只有be done 表示被动
第一个
Were they planting a big tree in the garden?
must we buy enough food for the trip?
过去时态时,there were sb 接doing还是什么?
是were doing 还是were did
was/were后接doing还是did
Do you remember what were you doing 还是Do you remember what you were doing 急
what were you doing?
英语,were doing?
were sb doing还是were sb did sth?就像这个句子:Were they planting a big tree in the garden?还是Were they planted a big tree in the garden?那个...还有一个We must buy enough food for the trip.怎样改一般疑问句?
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
it's high time that sb were还是was
were
what were you doing this morning还是what are you doing this morning
What were the earliest Americans doing for those many centuries?问:doing是非谓语还是谓语
what were you doing 为什么是were不是what
keep sb doing还是keep sb do ? ? ? ? ? ? ? ? ?
I + were还是was?
翻译:昨天晚上的这个时候你在做什么? what were you doing at this time yesterday evening 还是what were you doing this time yesterday evening
excuse doing还是excuse sb doing
mind sb do 还是doing