back的過去式和用法例句有哪些
back做動詞有支持;后退等意思，那么你知道back的過去式是什么嗎?下面是學習啦小編為大家整理的back的過去時態(tài)以及一些用法例句，歡迎大家學習!
back的過去式和其他時態(tài)
過去式: backed
過去分詞: backed
現(xiàn)在分詞: backing
back的用法
back的用法1：back的基本意思是“(使)后退”,指某人或某物回到原來的位置或狀態(tài)。有時引申可表示“支持”,即“作后盾”。
back的用法2：back可用作及物動詞或不及物動詞,用作及物動詞時接名詞或代詞作簡單賓語。
back的用法3：back用作副詞的基本意思是“往后,在后面”,也可引申表示“忍住”“恢復”或“上溯”。
back的用法4：back常修飾動態(tài)動詞(如不及物動詞go, come, get,及物動詞bring, get, take等),在句中作狀語,也可用作表語。
back的用法5：back和be連用可引申表示“恢復”; back和beat, hit, fight等動詞連用可表示“打退”。
back的用法6：back作“來回;向后”解時一般不與turn連用。
back的過去式例句
1. I heard the engines revving as the lorries backed and turned.
卡車倒車和掉頭的時候，我聽見發(fā)動機的轟鳴聲。
2. The train backed out of Adelaide Yard on to the Dublin-Belfast line.
火車倒出了阿德萊德調(diào)車場，開上了都柏林-貝爾法斯特線。
3. Traffic into London on the M11 was backed up for several miles.
進入倫敦的車輛在11號高速公路上堵了好幾英里。
4. He appears to have backed himself into a tight corner.
他似乎已把自己逼入了困境。
5. He backed up a few feet and rolled the window down.
他往后倒了幾英尺，然后搖下車窗。
6. Roland Nilsson last night backed Sheffield Wednesday to win the UEFA Cup.
昨晚羅蘭·尼爾森打賭謝菲爾德周三隊會捧得歐洲聯(lián)盟杯。
7. These front-line defences are backed up by armoured units in reserve.
前線的防務得到后備裝甲部隊的支援。
8. I backed up carefully until I felt the wall against my back.
我小心翼翼地后退，直到感覺后背碰到了墻壁。
9. She was backed by acoustic guitar, bass and congas.
原聲吉他、貝斯和康茄鼓為她伴奏。
10. Madonna backed out of the project after much wrangling.
多番爭吵之后，麥當娜退出了這個項目。
11. The Prime Minister is backed by the civic movement, Public Against Violence.
首相得到“全民反暴力”公民運動的支持。
12. Until yesterday, Britain had backed away because it didn't like the cost.
直到昨天，英國還因為成本太高而卻步。
13. The company backed away from plans to cut their pay by 15%.
公司放棄了給他們降薪15%的計劃。
14. When the Russian parliament overturned his decision, he backed down.
俄羅斯議會推翻了他的決定，他只好作罷。
15. It is upsetting to discover that you have backed a loser.
發(fā)現(xiàn)自己的投注對象輸了是一件讓人心煩的事。
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