caution 和 careful 和 attention的区别和用法是什么

先研究英文句子(尤其是搞清楚什么字是名词/副词/形容词/动词...就会区别/使用了.尽可能避免看中文翻译!

caution [名词]=慎重/谨慎/小心=意思:"Careful forethought to avoid danger or harm":

cautious [形容词];cautiously[副词];cautionary [形容词];

例:

(1) "Please drive with caution."[谨慎]

(2) "He was cautioned [警告=动词]for driving dangerously."

careful[形容词]=小心/仔细/谨慎;care名词:

例:

(1) "Please drive carefully/cautiously[副词].

(2)"Please be careful/cautious.[形容词]"

attention[名词]=注意/关注/留心=意思:"Concentration of the mental powers upon an object; a close or careful observing or listening."

attentive [形容词](注意的); attentively[副词](注意地)[例如:They listened attentively.

例:(1)Pay attention名词 to your teacher! (注意)

(2)Attention名词! 注意!

(3)That broken leg needs urgent attention留心/care留心(名词).

(4)He stood to attention. 立正(姿势).

结论: (A) attention 同 care;

(B) cautious 同 careful; cautiously 同 carefully;

(C) caution 不同 careful; careful 不同 attention....

caution的形容词形式是什么

cautious ['kɔ:ʃəs]

基本翻译

adj. 谨慎的；十分小心的

请采纳

be后面的caution用什么形式

1. caution是名词，也可以做动词，用于进行时的时候用cautioning现在分词形式，用于被动语态时用cautioned过去分词形式：

Tony was cautioning against misrepresenting the situation.托尼在告诫说不要歪曲形势。

Tapp was eventually cautioned for wasting police time.最后，塔普因浪费警方时间而受到警告。

The two men were cautioned but police say they will not be charged.那两个人受到了警告，不过警方说不会对他们提出指控。

2. caution的同源形容词是cautious形式，放在be的后面作表语：

The scientists are cautious about using enzyme therapy on humans.科学家们对在人身上使用酶疗法非常慎重。

The deputy leader is cautious about loosening the links with the unions.该政党的二把手对疏远与工会之间关系一事态度谨慎。

caution 和 cautious是同根词吗

是，

同根词：在同一语种中词根相同、意义相似的最新词.

同根词的变化规律：

①名词后+ful 构成形容词 care-careful use-useful等

②形容词后+ly 构成副词 careful-carefully quick-quickly 等

③名词后+ous 构成形容词 danger-dangerous poison-poisonous 等

④表天气等的名词后+y 构成形容词 sun-sunny rain-rainy等

⑤部分t结尾的形容词，变t 为ce 构成名词 different-difference important-importance 等

⑥部分形容词后+ness 构成名词 happy-happiness busy-busyness等

cautious的名词是什么？

cautious表示"谨慎的、小心的",为形容词；名词形式是caution,表示"谨慎、慎重"。