have和eat的區(qū)別：意思不同、用法不同。have可作及物動(dòng)詞和助動(dòng)詞，基本含義有占有、由……組成、顯示出、帶有……性質(zhì)，常與過去分詞連用構(gòu)成完成時(shí)；eat只作動(dòng)詞，含義有吃、用餐。
一、have的基本含義及用法介紹
have可作及物動(dòng)詞和助動(dòng)詞，含義有有;持有;占有;由…組成;顯示出，帶有(性質(zhì)、特征)；與過去分詞連用構(gòu)成完成時(shí)。
例句：This is too big ─ have you got a small one?
這個(gè)太大——有沒有小的？
The two groups of children have quite different characteristics.
這兩組兒童具有截然不同的特點(diǎn)。
There have been many changes in recent years.
近幾年發(fā)生了許多變化。
No new SARS cases have been reported in the region.
該區(qū)沒有新增非典型肺炎病例。
He has carried out extensive research into renewable energy sources.
他已經(jīng)對(duì)再生能源進(jìn)行了廣泛研究。
We had no say in the decision to sell the company.
在決定出售公司的問題上，我們沒有發(fā)言權(quán)。
We had relatively few applications for the job.
申請(qǐng)我們這項(xiàng)工作的人相對(duì)較少。
The situation has changed somewhat since we last met.
自我們上次見面以來情況有些變化。
二、eat的基本含義及用法介紹
eat作為動(dòng)詞，意為吃;吃飯;用餐。
例句：I eat lots less than I used to.
我比以前吃得少多了。
I could just eat a little something.
我只能吃一點(diǎn)點(diǎn)東西。
She'll have them eating out of her hand in no time.
她很快就會(huì)讓他們俯首帖耳的。
You'll get fat if you eat so much chocolate.
你如果吃這么多巧克力就會(huì)發(fā)胖的。
He'd eat chocolate all day long if I let him.
我要是不攔著，他會(huì)整天不停地吃巧克力。
They ate everything that was set in front of them.
他們把放在面前的東西都吃光了。
