sustain做動(dòng)詞有支持;承受;維持;認(rèn)可;經(jīng)受等意思，那么你知道sustain的過去式是什么嗎?下面是學(xué)習(xí)啦小編整理的sustain的過去式和用法例句，歡迎各位同學(xué)們學(xué)習(xí)!

　　sustain的過去式和其他時(shí)態(tài)：

　　過去式: sustained

　　過去分詞: sustained

　　現(xiàn)在分詞: sustaining

　　sustain的用法：

　　sustain的用法1：sustain的基本意思是“承受住重量”,指不斷支撐或維持不衰弱。有時(shí)也可表示通過提供必需的物質(zhì)或精神的營(yíng)養(yǎng)品以支持某人、某事物。引申為“經(jīng)受”。還可表示“確認(rèn)…正當(dāng)有效”“準(zhǔn)許”。

　　sustain的用法2：sustain是及物動(dòng)詞,接名詞、代詞作賓語。可用于被動(dòng)結(jié)構(gòu)。

　　sustain的過去式例句：

　　1. America has enough firepower in the area to mount sustained air strikes.

　　美國(guó)在該地區(qū)擁有足夠的火力發(fā)動(dòng)持續(xù)的空中打擊。

　　2. He sustained serious neck injuries after he broke someone's fall.

　　有人墜落壓在他身上，致使他頸部受重傷。

　　3. He was sustained by the unflagging support of his family.

　　他得到了家人不斷的支持。

　　4. He had sustained a cut on his left eyebrow.

　　他左眼眉上留下了一道疤。

　　5. Four police officers sustained serious injuries in the explosion.

　　4名警官在爆炸中受重傷。

　　6. "I very much regret the injuries he sustained," he said.

　　“我對(duì)他的受傷感到很遺憾，”他說。

　　7. How such extensive damage could have been sustained so quickly remains unexplained.

　　如何這么快就造成這么大的破壞依然不得而知。

　　8. Without correct leadership, the enthusiasm of the masses cannot be sustained.

　　沒有正確的領(lǐng)導(dǎo), 群眾的積極性就不可能持久.

　　9. He has sustained a great loss by the death of his father.

　　他父親的去世使他蒙受巨大的損失.

　　10. He sustained a foot injury.

　　他足部受了傷.

　　11. An unshakable belief sustained me.

　　一種不可動(dòng)搖的信念支持著我.

　　12. The clapping was sustained for several minutes.

　　掌聲持續(xù)了幾分鐘.

　　13. The ship sustained damage to her bottom.

　　這艘船的船底已損壞.

　　14. The army sustained a reverse.

　　這支軍隊(duì)打了敗仗.

　　15. His hope for future sustained him.

　　對(duì)未來的希望支持了他.