1)turning the following statements into tag questions 把下面的句子改成反义疑问句.
2)using modal verbs使用情态动词
3)using the passive voice 运用被动语态
4)improving the following sentence改写下列句子
5)turning the singular nouns or nouns phrases into plural forms wherever poosible with other necessary根据需要将以下单数名词或者名词短语改写成复数.
6)using whatever cohesive decive is appropriate 使用恰当的关联词
7)using the inversion运用倒装
8)combinging sentences using coordination and/or subordiantion将下列句子改写成并列句或者关系句
9)using cleaving for time adjunct 使用正确的时间副词
writing a counter-factual condition based on the given fact 用所给的事实改写虚拟条件句