句型转换,理由,

1. You should get (some flowers) for your firend.划线提问（括号）
(What ) should I ( do ) for my friend?
问做什么用what
2.Your friend has already left for a picnic?改为一般疑问句
( Has your )friend left for Tianjin( yet )?
现在完成时变一般疑问句把HAVE/ HAS 提到句首； ALREADY 要变为yet
3.How about joining us for a picnic?改为同义句
( Why don't you ) join us for a picnic?
提建议的习惯用法
4.He received the present yesterday.改为一般疑问句
( Did )he( receive ) the present yesterday?
实义动词作谓语变一般疑问句在句首加DID （ 一般过去时）,原来的动词要用原形.
5.What a nice girl she is!改为同义句
(How nice the girl ) is!
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