[文法] when

[logteng ()]

他張開嘴時覺得不舒服

1.he felt discomfort when (he) opened the mouth

==>he felt discomfort when opened the mouth


2.he felt discomfort when (he was) opening the mouth

==>he felt discomfort when opening the mouth


請問是哪一個對阿?

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→ kurage306:he felt uncomfortable when opened/opening his mouth
→ logteng:謝謝~~所以用opened或opening是因為文中的省略法嗎?
推 kurage306:恩英文subject也可省略~
→ logteng:感謝~
→ tengharold:1不可省略he，2可省略he was，但兩句都要改為his mouth