build这个词是终结性延续动词。
陈用仪:They are building the house for three years. 不对。
问题1:They have been building the house for three years.对不对?
现在分词的完成时不能作定语。
问题2:The school, having been built for two years, is intended for disabled children. 此时having been build for two years是非限制性定语,还是状语?