課本中不會(huì)教你的[A]81　at+名詞或on+動(dòng)名詞→as soon as/when+句子

81　at+名詞或on+動(dòng)名詞→as soon as/when+句子

◎ 這兩種結(jié)構(gòu)可以轉(zhuǎn)換，但要注意as soon as 后的句子時(shí)態(tài)。

比較

At the news，she burst out laughing. 她一聽到那個(gè)消息就大笑起來(lái)。

As soon as she heard the news，she burst out laughing.

他一到達(dá)車站就直接進(jìn)了候車室。

On arriving at the station，he went directly into the waiting room.

As soon as/when he arrived at the station，he went directly into the waiting room.