主語擴展：
The event amazed the world.
What happened on that day amazed the world.
To hold the Winter Olympics in China amazes the world.
Holding the Winter Olympics in China amazed the world.
That China is to hold the Winter Olympics amazes the world.
注：由此可見，充當主語的除了簡單的名詞(短語)、代詞、數詞，還可以是形式比較復雜的動詞不定式(短語)、動名詞(短語)、主語從句?？佳蟹g中明確這一點，才能打開思路，更好地劃分句子成分，從而做到真正理解句意，進而很好的用漢語表達出來。
賓語擴展：
He can hear me.
He can hear the strange sound.
He can hear anything happening in the building.
He can hear the sound from that building.
He can hear a girl crying in the building.
He can hear whatever happens in the building.
He decided to check what’s going on in the building.
He considered going to the building for a look.
注：由此可見，充當賓語的除了簡單的名詞(短語)、代詞、數詞，還有形式比較復雜的動詞不定式(短語)，動名詞(短語)，賓語從句。同樣的，考研翻譯中明確這一點也非常重要，有助于打開思路，理清句子成分。
