请教各位 When trying to document a past incident,it is crucial that there be images available before and after the attack. 上面的trying 是分词共构？因为我看两句主词不一致 因为副词是人但主要句是物 求给说明...
是分词构句，"字面上"也确实是misrelated/dangling participle，但是当主要主句的主词是虚主词 it 或 there 时，这用法很常见(*1)。一个实例：https://tinyurl.com/yylblumv(*1)Swan的Practical English Usage有提。原说法是说misrelated participles的句子是..common and often seemquite natural, particularly ...[特别是 虚主词 it orthere ...]