語法知識告訴我們，英語中的三大從句各有用途。定語從句起修飾或包裝的作用;名詞性從句提供信息;狀語從句補充說明，增加額外信息量。那么這三種從句是否也可以用在口語中并且發揮同樣的用途呢? 下面，本文將從語法角度來解釋口語考試中英語從句的巨大威力。

一、定語從句經典系列

① (名詞或代詞) is the kind of (person/place/thing…) who (which/that) is…

② (名詞或代詞) is a (person/ place…) who (which) gives you the impression of being…

③ (名詞或代詞)is one of the most (形容詞) (名詞) I have ever seen/met/known.

④ (地點名稱) is a place where you can do sth.

⑤ (時間名詞) is a day (occasion/the time) when you do sth.

說明：口語考試的話題頻繁涉及人物，地點，物品，事件。套用上面句型后的表達效果不一般。可見，定語從句的使用在口語中可以起到“包裝”作用。

二、名詞性從句經典系列

① The reason why I (admire him/like the place…) is that +從句

② The most important thing is that+從句

③ Another thing is that+從句

④ What I mean is that + 從句

⑤ What I’d like to say is that +從句

以上名詞性從句①到③是引出個人觀點或信息時的過渡句型，在口語表達中可以起到建構框架，使條理清晰層次分明的作用。而④和⑤則是用于進一步解釋說明。套用實例：

The reason why I admire Yaoming is that he is a legend and also a great guy. The most important thing is that he is one of China’s most recognizable athletes. What I mean is， his image can be seen everywhere， he is a household name. Another thing is that Yao has also participated in many charity events during his career. What I’d like to say is that he not only donated money to relief work， but also created a foundation to help those in need.

三、狀語從句經典系列

① I first got to know him/it when + 從句(過去式)

② (名詞或代詞) have (動詞過去分詞) since +從句(過去式)

③ If I had the chance， I would like to…

④ If …， then it is quite possible that I will…

以上句型只需稍加變動，便可應用于多種話題。句型之間的有機組合還可成為集合，碰到沒話說的時候十分頂用。

句型①套用實例：

I first got to know him when I was studying in primary school. (人物題通用)

I first read the story/saw the programme when I was visiting my grandparents three years ago. (物品題通用)

I first learned how to skate/play basketball when I was in high school. (興趣愛好題通用)

句型②套用實例：

We have lost contact since he moved out of town.

I have stopped watching the programme since I entered the university where TV was not available.

I have been practicing basketball on a regular basis ever since I knew how to play it.

句型③是虛擬語氣，表達一種設想。當問題為would you like to…時，建議使用該句型。另外，還可以在無話可說時用來應急。套用句型：

If I had the chance, I would like to travel to California and visit my best friend who I haven’t seen for ages.

If I had the chance, I would like to ask Yaoming to autograph my basketball.

句型④是在分情況討論問題時必備句型，也是豐富回答內容的經典招數。套用實例：

Q： What do you usually do at weekends?

A： Well, it’s hard to say. I mean, if I am with friends, then it’s quite possible that we will go window shopping or traveling around. But if I am alone, it’s more likely that I will just stay at home and do some washing and cleaning.

當然，以上兩種情境還可以變換成多種可能，如按天氣狀況分為If it is good weather，和If it is bad weather; 按時間多少分為If I’ve got a lot of time，和If I am fairly busy; 等等。

綜上，三大英語從句在口語中的適量使用可以起到意想不到的效果，既在語法上贏得了優勢，又可以幫助擺脫考場上無話可說的尷尬。