※ 引述《neversayyes (親愛的你)》之銘言：
: My daughter ____ her homework since 3 p.m. when I got home.
: 整個句子顯得很不自然很怪XD
沒錯!整個句子顯得很不自然很怪!
台灣就是有一堆奇怪的英文老師，連簡單通順的句子都寫不出來，
還老是想出一些怪考題，來考學生進階的文法。
My daughter has (already) done her homework.
My daughter has been doing her homework since 3 p.m.
When I got home (at 5 p.m.), my daughter was doing her homework.
She had been doing her homework since 3 p.m.
When I got home, my daughter did her homework.
(I got home, and then my daughter did her homework.)