show的過去式和過去分式

例句：

Ultrasound showed she was expecting twins.

超聲波掃描顯示她懷了雙胞胎。

He showed great courage and determination.

他表現得十分勇敢和果斷。

She showed impatience to continue the climb.

她表現出要繼續往上爬的急切。

He has shown himself to be ready to make compromises.

他表現出自己願意妥協。

Tests have shown high levels of pollutants in the water.

測試顯示水中污染物質的含量很高。

Midfielder Elliott has shown disappointing form recently.

中場隊員埃利奧特近來表現令人失望。