请英语高手帮我改写两个句子被动句与主动句的转换,急求谢谢了

:改写成主动句的形式

Thecoffeebeansarepickedfromthetreesanddriedinthesun,thenthebeansareroastedandthencooledrapidlybeforebeingground.Thebeansarethenmixedwithhotwaterandthemixtureisstrainedbeforeitisfrozen.Finally,thefrozenmixtureisgroundandthendriedinvacuumbeforeitispackedintojars.thecoffeeisnowreadytobesoldinshops

:改写成被动句

First,putthreetablespoonsofoilinalargepot.Then,heattheoilonthehighflameuntilonekernelofpopcornpopswhenyoudropitintothehotoil.Now,pouraquartercupofpopcornintothepotandcoverthepotwithalid.Reducetheflameandgentlyshakethepot.Continueshakinguntilthecornhaspopped.Finally,emptythepopcornintoalargebowlandaddmeltedbutterandsalt.