care careful carefully有什么区别？

这三个词叫什么词？
能再举几个例子么？

他们的意思相近，但词性不同。care是动词或者名词，careful是形容词，carefully 是副词。
详解：
care 英[keə(r)] 美[ker]
v. 照顾; 关心; 担心; 喜爱;
n. 照顾; 小心; 忧虑;
[例句]Does anybody know we're here, does anybody care?
有谁知道我们在这儿？有谁在乎？

careful 英[ˈkeəfl] 美[ˈkerfl]
adj. 仔细的，小心的; 周到的; 慎; 心细;
[例句]Be very careful with this stuff, it can be dangerous if it isn't handled properly
这东西一定要小心，稍不注意的话就会有危险。

carefully 英['keəfəlɪ] 美[ˈkɛrfəlɪ]
adv. 仔细地; 小心谨慎地; 警惕地; 周密地;
[例句]We carefully watched every detail of his action.
我们仔细观察了他动作的每个细节。

carefully [副词]修饰[动词] careful [形容词] 修饰 [名词] you should listen [动词]to the teacher more carefully. you should be more care for your homework[名词].  

care是动词，关心，关照的意思 careful是形容词，小心，谨慎的意思，跟在名词后面 carefully是副词，意思同careful 但是只能用在动词后面

他们的意思相近,但词性不同 care是动词 please take care of him. 请照顾好他 careful是形容词 be careful when you cross the street.过马路的时候小心. carefully是副词 please finish your homework carefully.认真完成你的作业.