划分句子成分"you'd better take an umbrella with you,for it's going to rain"

问题描述:

划分句子成分"you'd better take an umbrella with you,for it's going to rain"

这是一个由连词for连接的两个并列句.并列连词for,连接的两个句子的关系是,后面的句子是对前面的句子的解释,说明原因的.you'd better take an umbrella with you中,you是主语,had better take是谓语部分,其中had better是情态动词.