通过并列连词for. 例如:
He started out early in order to get there on time.
改为:He started out early,for he wanted to get there on time.
回复楼下(添加此修改后应该是楼上了):
提问者问的是:怎样改成并列句,for可以用作并列连词,所以for引导的句子是并列分句.
你说的in order that引导的是从属分句(目的状语从句),这样一来,整个句子就不是并列句了,而是主从复合句了.