美國留學(xué)選擇什么專業(yè)好?留學(xué)美國熱門專業(yè)推薦
2019-06-26
更新時間:2024-03-16 20:28作者:小編
?一:been是什么意思?
been是be動詞的過去分詞形式,表示“已經(jīng)”,“曾經(jīng)”等含義。它可以用來表示某件事情發(fā)生過,也可以用來強調(diào)某人或物的狀態(tài)或?qū)傩浴?/p>
been的音標(biāo)為/bi?n/。
1. 表示過去發(fā)生過的事情:
I have been to Paris twice. (我曾經(jīng)兩次去過巴黎。)
He has been to Japan before. (他以前去過日本。)
2. 表示某人或物的狀態(tài)或?qū)傩裕?/p>
She has been sick for a week. (她已經(jīng)生病一周了。)
The book has been translated into many languages. (這本書已被翻譯成多種語言。)
3. 與完成時態(tài)連用,表示動作持續(xù)到目前:
I have been studying English for 5 years. (我已經(jīng)學(xué)習(xí)英語5年了。)
They have been living in New York since 2010. (他們自2010年以來一直住在紐約。)
4. 與情態(tài)動詞連用,表示推測:
He must have been tired after the long trip. (長途旅行后他一定很累了。)
She might have been busy with work last night. (昨晚她可能忙于工作。)
5. 在被動語態(tài)中,表示被動的狀態(tài)或行為:
The flowers have been watered. (花已經(jīng)被澆水了。)
The house has been painted blue. (房子被漆成了藍色。)
1. I have never been to Australia before. (我以前從未去過澳大利亞。)
2. Has she been to the doctor yet? (她已經(jīng)去看醫(yī)生了嗎?)
3. He has been working on this project for months. (他已經(jīng)為這個項目工作了幾個月了。)
4. The movie has been nominated for an Oscar. (這部電影被提名奧斯卡獎。)
5. They must have been very happy when they heard the news. (當(dāng)他們聽到這個消息時一定很開心。)
1. gone:也是be動詞的過去分詞形式,表示“離開”或“消失”。與been不同的是,gone更多地強調(diào)動作或狀態(tài)的變化。
例句:She has gone to London for a business trip.
2. existed:表示存在或生存,與been相似,但更加正式。
例句:Dinosaurs existed millions of years ago.
3. lived:表示居住或生活在某地,與been的用法類似。
例句:They have lived in this town all their lives.
been作為be動詞的過去分詞形式,在英語中使用頻率較高,可以表示過去發(fā)生過的事情,強調(diào)某人或物的狀態(tài)或?qū)傩?,也可以與完成時態(tài)連用表示動作持續(xù)到目前。同時,它也可以與情態(tài)動詞連用表示推測,在被動語態(tài)中表示被動的狀態(tài)或行為。除了been之外,還有一些同義詞可以替換使用,gone、existed和lived等。在使用時需要根據(jù)具體語境來選擇合適的詞匯。