精选优质文档-倾情为你奉上Sentence Structure常用的“主语+系动词+表语”的句型1. .Be (beneficial, important, essential, required, crucial, vital, critical, challenging, difficult, harmful, detrimental, exposed, subject, vulnerable) to something练习:过度工作对工作者的健康有害。 Overworking is detrimental to workers health.2. Be of benefit (value, importance, interest, concern) to something练习:在有关小孩成长的重要事情上,父母应该和小孩商量。 Parents should consult children on matters of importance to childrens development.3. Be l