VOA一分鐘英語：While 和 during 的用法

單詞 “while” 和 “during” 都可以用來表示一件耗時短的事件發(fā)生在一段較長的事件中，意思為 “在……的時候，在……期間”。雖然兩者意思相同，但它們的詞性及用法卻不同。
 
文字稿
Hi! This is Kee from BBC Learning English. And today, I'm going to tell you the differences between while and during. 
We can use while and during to say that a shorter event happened within a longer event. They mean the same, but the grammar's different.

After while, we have a clause. A clause is a group of words containing a subject and a verb. So we can say: While I was having lunch, my phone rang. Remember that the verb in the while clause is usually in an ING form.
We can also use while with just an ING form. So we can say: While having lunch, my phone rang. So we remove the subject and the 'be' verb.
However, during is different because it can only be used with a noun phrase. So, we can say: During lunch, my phone rang. We cannot use a clause or just the ING form.
 
用法總結
While and during can mean the same thing, but their grammar is different. This is because while is a conjunction, but during is a preposition.
“While” 和 “during” 的意思相同，但它們的用法卻不同。這是因為 “while” 是一個連詞，而 “during” 是一個介詞。
 
1 While
After while we use a clause. A clause is a group of words that contain a subject and a verb - for example: She ate. Remember, the verb that follows while is usually an ING verb. 
連詞 “while” 引導從句。從句是由主語和謂語等多個詞語組成的結構。比如：She ate. 她吃過了。記?。?ldquo;while” 引導的句子中的謂語動詞多為 -ing 形式。
While I was having lunch, my phone rang.
While we were walking, we saw a bus.
While they were eating dinner, they talked about the news.
It is also possible to use while with just an ING verb.
連詞 “while” 后也可以直接跟現在分詞。
While having lunch, my phone rang.
While walking, we saw a bus.
While eating dinner, they talked about the news.
 
2 During
During must be followed by a noun phrase.
介詞 “during” 后只能跟名詞或名詞短語。
During lunch, my phone rang. 
During our walk, we saw a bus.
During dinner, they talked about the news.