1.（a quick sip of my coffee）主语[is 系动词,省略了?] just（ to get me in the mood for today‘s programme）表语
2.it’s主系（ the caffeine contained in the drink that can have a bad effect.）表语
3.so that‘s主系 （when you can’t sleep）表语
4.I 主语 love谓语 all styles of coffee宾语 that‘s （coffee这里多余了） made in different ways.定语从句