As soon as S + V, S + V
The moment S + V, S + V
The instant S + V, S + V
The minute S + V, S + V 一…就…;立即…。
Once S + V , S + V
Directly S + V , S + V
Immediately S + V , S + V
Instantly S + V , S + V
At + n… , S + V 前後主詞相同時
on / upon + Ving , S + V 前後主詞相同時
As soon as I left home this morning, the phone rang.
(我一離開家,電話就響了。)
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