To solve this problem, linguists put forward different proposals among which the most representative ones are the Larson shell construction by Larson(1988) and the vP shell construction by Chomsky(1995)/Radford(1997).

• 对此课题语言学家们提出过各种不同的解决方案 ,其中以Larson(1988)中的Larson壳和Radford(1997)中的vP壳结构最具代表性。