如题所述
用now改写句子,now是现在进行时时间状语，意思就是将原句中的时态改为进行时。如：
I
do
homework
in
the
evening.-------
I
am
doing
homework
now.
i
did
homework
yeaterday.---------I
am
doing
homework
now.
I
do
homework
in
the
evening.-------
I
am
doing
homework
now.
i
did
homework
yeaterday.---------I
am
doing
homework
now.
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第1个回答 2019-11-02
主语不变，be动词依照主语的人称变化，动词变成加ing的形式（有些需要特殊变化），后面的内容照抄。
