連接詞小教室
什麼是連接詞？
連接詞（也稱為連接詞或連詞）是我們用來連接詞、短語、從句和句子的詞：
Young people like the same music.
+ Young people like the same fashion.
= Young people like the same music and fashion.
And/but/or
and, but and or 是最常用的連接詞。
我們使用 and 來提供額外的信息，主要是在積極的句子中。 我們用它來連接……
名詞：
I have a cat, a dog and a goldfish.
形容詞：
he is tall and handsome.
副詞：
they walked fast and confidently.
動詞：
we ate and drank for several hours.
整句：
I live in Happy Valley. I go to a local school.
= I live in Happy Valley and I go to a local school.
我們可以用其他具有相似含義的連接詞替換and。
我們可以在句子中間使用 as well as 和 plus：
They went to Myanmar as well as Thailand.
They had their money plus all their luggage stolen.
我們可以在句首使用also,beforemore (formal), 另外(formal), moreover (very正式) 和 plus，通常用逗號：
We don’t have enough time to complete this project. Furthermore, we don’t have enough money.
或者有兩個主要用途。
我們可以用它來證明存在不止一種可能性：
Would you like coffee or tea?
I want to go to Tokyo or Osaka.
我們也可以將其用作 and 的否定版本：
I can speak English and Japanese, but I can’t speak Spanish or French.
我們使用but來連接彼此對比的單詞或從句，即具有非常不同或相反的含義。
我們通常不把 but 放在句首：
I hate watching TV but I love going to the cinema.
然而，我們也可以使用副詞來介紹對比信息。
然而，我們通常將其放在句首或主語之後（用逗號）：
She wanted to come along. However, she didn’t have enough time.
在某些句子中，我們還可以使用連接詞但是代替但是：
I hate watching TV, yet I love going to the cinema.
時間的連接詞
As/when/while
我們使用 as、when 和 while 來表明兩個事件同時發生。
我們可以將這些連接詞放在句子的開頭（用逗號分隔兩個從句）或兩個從句之間：
As I got home, it started to rain.
When I was in Beijing, I learnt a few words of Putonghua.
I like to sing while I’m having a shower.
如果我們真的想強調兩件事情非常接近地發生，我們可以使用連接詞，如 aso as，just as，just when 和 moment (that)：
As soon as I pass my driving test, I will buy a car.
Just as I looked up, a ball hit me on the forehead.
更多時間的連接詞
以下是一些更有用的時間連接詞：
到時候（那個）：
By the time we got home, it was already dark.
現在：
Now that you have turned 18, you’ll be able to vote in the next election.
(= Now, because you have turned 18, you’ll be able to …)
對比的連接詞
我們使用對比的連接詞來介紹與我們所說的其他事物形成對比的信息（= 具有相反的含義）。
but 是最常見的對比連接詞，但還有其他幾個。
連接詞 although even though while 後面總是跟一個從句。 我們可以將這些連接詞放在句子的開頭（使用逗號分隔從句）或句子的中間：
Although he likes her very much, he has never asked her out on a date.
I love speaking English even though I’m not very fluent.
While I think saving money is important, we still need to invest in a new computer lab.
我們可以使用連接詞 while 來比較兩個相互對比的事實：
Our school has no computer laboratory whereas the school I visited yesterday had two.
連接詞 despite in spite of 與雖然/即使/雖然具有相同的含義，但它們後面總是跟名詞、代詞或動名詞。 我們可以將它們放在句子的開頭或中間：
Despite the budget restrictions, we need to invest in a computer lab.
I love speaking English in spite of the fact that I’m not very fluent.
當我們以雖然、即使或雖然開始一個句子時，我們從不在第二個子句中使用但：
wrong: Even though she was sick, but she went to school.
correct: Even though she was sick, she went to school.
原因、結果和目的的連接詞
As/because/since, etc.
我們使用 as、because 和 since 來介紹某事的原因或原因，即說明我們為什麼做某事或為什麼某事發生：
We went to the beach yesterday because the weather was very nice.
As、because 和since 後面總是跟一個子句。 它們可以放在句子的開頭（用逗號分隔從句）或中間：
As the weather forecast called for rain, I decided to bring an umbrella.
Since we can’t reach an agreement, we might as well end the meeting.
因為、由於和由於與 as、because 和 since 具有相同的含義，但後面總是跟名詞、代詞或動名詞：
Due to the bad weather, the ferry trip took longer than usual.
He didn’t get an A because of his bad attendance record.
So/therefore, etc.
我們使用連接詞 so 來介紹動作或事件的結果。 當我們這樣使用它時，我們總是把它放在句子的中間：
The weather forecast called for rain, so I decided to bring an umbrella.
我們也可以使用副詞因此，因此和因此（非常正式）來介紹結果。 我們通常將它們放在句子的開頭或之後：
She was the most qualified applicant and therefore she got the job.
In order/so as/so that
不定式是介紹動作目的的最簡單方法：
I went to England to study at a language school.
(= I went to England because I wanted to study at a language school.)
但是，我們也可以用 order + to-infinitive 和 so as + to-infinitive 的連接詞引入目的：
I also spoke slowly and clearly so as to avoid any misunderstanding.
我們可以通過在不定式之前放置 not 來使順序和否定：
I spoke quietly in order not to wake anyone.
我們也可以用so that來談論目的。 所以這通常後面跟著一個簡單現在時的從句或主語 + can/could/will/would + 不定式：
Speak slowly so that they understand what you say.
條件句中的連接詞
在條件句中，if 是連接詞。 為了使條件句更精確，我們可以使用這些連接詞來代替 if：
我們可以使用 as long as 和 provided/providing (that) 來表示必鬚髮生或完成的事情，以便發生其他事情：
As long as you do a bit of revision, you’ll pass the exam.
我們可以使用除非而不是如果…不是。 因為除非是否定詞，所以它後面總是跟肯定動詞，從不跟否定動詞：
You won’t pass the exam unless you do a bit of revision.
(= You won’t pass the exam if you don’t do a bit of revision.)
我們可以用 in case of with 名詞來談論在某種情況下我們應該做什麼或不應該做什麼：
In case of fire, do not use the lift.
(= If there is a fire, do not use the lift.)
我們可以使用 in case 來表明有可能發生某事：
Let’s leave early in case there is a lot of traffic.
(= Let’s leave early because there may be a lot of traffic.)
我們可以使用 or else 和 else （= 如果不是這樣）來說明如果某事沒有發生或情況不同的結果會是什麼。
我們通常把 else 放在句首或句尾，把 or else 放在中間：
I must pass the exam or else my mum will be disappointed.
You need to do a lot of revision. Otherwise,you won’t pass the exam.
異常的連接詞
我們使用 but, except (for) 和除了來表示例外，即介紹唯一使陳述不完全正確的人或事物：
I’m willing to do any job but clean toilets.
(= Cleaning toilets is the only job I’m not willing to do. All other jobs are fine.)
除了可以與除了和除了：
Apart from Arabic, she speaks three other languages.
使用連接詞舉例
我們使用例如，例如，喜歡，例如和包括來介紹示例。
例如和例如可以放在句子的開頭或中間：
I’ve been to many different countries all over the world. For example, I’ve visited India, Sweden and Chile.
Like、such as 和 include 通常放在句子的中間：
Have you been to any countries in Africa, such as Kenya or South Africa?
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