动名词作主语 介词与其它词类的搭配 on the basis of

cooperation friction matter reduce 一般现在时 主语从句的连接词 that, whether, as, as if, as though, because引导的表语从句 on the basis of

candidate 介词与其它词类的搭配 一般现在时 on the basis of

ease economic maintain promote rapid relieve 动名词作宾语 介词与其它词类的搭配 一般现在时 情态动词(not)+动词原形 on the basis of stability

argue believe gender instead practice select think(thought thought) be ashamed of doing sth. 介词与其它词类的搭配 一般现在时 that,if, whether引导的宾语从句 情态动词(not)+动词原形 on the basis of