take however much you want and whenever you want to

这是个祈使句,也即是没有主语,是由谓语动词开头的.
谓语动词是take
宾语有两个,分别是两个宾语从句“however much you want”和“whenever you want to”
你最后一个问题是啥意思?这个就是正常句子了.