请问这句话用了什么英语语法,这是什么句型,主谓宾是什么,

问题描述:

请问这句话用了什么英语语法,这是什么句型,主谓宾是什么,
With this approach,the space for actions and behavioral alternatives become explicit – a crucial step for sustainable urban planning which calls for innovative strategies to adapt to these uncertain and rapid changes.
通过这种方法,成为明确的行动和行为选择的空间——可持续的城市规划要求创新战略,以适应这些不确定和快速变化的一个关键步骤.

本句子主干为主系表句型,状语:With this approach,主语:the space (定语:for actions and behavioral alternatives),系动词:become,表语:explicit.破折号后面的内容补充解释主句,中心词为step(定语:for sustainable urban planning ), 后面的句子为定语从句(which calls for innovative strategies to adapt to these uncertain and rapid changes.),先行词为step(定语从句中做主语),定语从句中谓语是calls for,宾语是innovative strategies,宾语补足语是to adapt to these uncertain and rapid changes.