关于英语中 陈述句改为疑问句 和反问句

如题 我希望具体一点~ 另外最后加上有例句 例如含有WILL WAS 这些词 ===的句子改怎么改 疑问句和反问句

1.
陈述句中的谓语动词是动词的,提助动词(do或它的其他形式)到句子前面,同时原陈述句中的动词变为原形;
如:LIly
helped
her
mother
with
housework.
Did
Lily
help
her
mother
with
housework?
2.
陈述句中谓语动词若是be动词,则提be动词到句首;
如,Lily
was
doing
homework.
Was
Lly
doing
homework?
英语的反问句即时反义疑问句,遵守前肯后否,或前否后肯原则,
例如:There
is
an
apple
on
the
table,
isn't
there?
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