1 不定式to do, in order to do something
In order to attract visitors, historic buildings should be maintained.
错误的原因:历史建筑是没有生命的,不可能有“in order to”
正确的句子:In order to attract visitors, city councils should maintain historic buildings.
2 when, while, before, after
等连词引导的现在分词例句:When communicating with others, patience is important.
错误的原因:communicating
这个分词的主语是人,不可能是patient
正确的句子:when communicating with others, one should show patience.
3 by+doing例句:By setting rules, children can reduce behavioural problems.
错误的原因:setting rules的主语不是children正确的句子:By setting rules, schools can reduce behavioural problems.
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