at one time後跟什麼時態

一般現在時或現在進行時。

at：prep.在(某處)在(學習或工作地點)在(某時間或時刻)。 擴展資料

The weather is very changeable at this time of year.

年年在這個時候天氣都變化無常。

Almost all homes have at least one TV set.

差不多每家都至少有一台電視機。

I was still in short trousers at the time.

我那時還在穿着短褲呢。

Both their children are at university.

他們的兩個孩子都在上大學。

He met his future wife at law school.

他在法學院結識了他未來的妻子。