switch的過(guò)去式和用法例句
switch的過(guò)去式和用法例句
switch做動(dòng)詞有改變;交換;轉(zhuǎn)換;鞭打等意思，那么你知道switch的過(guò)去式是什么嗎?下面是學(xué)習(xí)啦小編為大家整理的switch的過(guò)去式和用法例句，歡迎大家學(xué)習(xí)!
switch的過(guò)去式和其他時(shí)態(tài)：
過(guò)去式: switched
過(guò)去分詞: switched
現(xiàn)在分詞: switching
switch的用法：
switch的用法1：switch用作名詞時(shí)意思是“開關(guān)”“轉(zhuǎn)換”,用作動(dòng)詞時(shí)意思是“擰開關(guān)”“轉(zhuǎn)變”“轉(zhuǎn)換”,指通過(guò)某種措施或辦法使某事物改變或改換其原有的位置、名稱或運(yùn)行方式等,引申可表示“揮動(dòng)某物打某人”“打開”。
switch的用法2：switch可用作及物動(dòng)詞,也可用作不及物動(dòng)詞。用作及物動(dòng)詞時(shí),接名詞或代詞作賓語(yǔ),也可接以動(dòng)詞不定式充當(dāng)補(bǔ)足語(yǔ)的復(fù)合賓語(yǔ)。
switch的用法3：switch也可用作名詞,意思是“開關(guān)”“改變,轉(zhuǎn)變”。
switch的過(guò)去式例句：
1. He took his flashlight from his jacket pocket and switched it on.
他從夾克口袋里拿出手電筒，打開開關(guān)。
2. As the era wore on, she switched her attention to films.
隨著這個(gè)時(shí)代慢慢過(guò)去，她把目光投向了電影業(yè)。
3. He switched off the transformer and the buzzing stopped.
他關(guān)掉變壓器，嗡嗡聲就消失了。
4. In half an hour, they'd switched the tags on every cable.
半個(gè)小時(shí)內(nèi)，他們就給每根電纜都換了標(biāo)簽。
5. She emptied both their mugs and switched on the electric kettle.
她把他們倆的杯子倒空，燒上了電水壺。
6. There was a little portable television switched on behind the bar.
柜臺(tái)后面有一臺(tái)開著的便攜式小型電視機(jī)。
7. He trotted to the truck and switched on the ignition. Nothing happened.
他匆匆走向卡車并轉(zhuǎn)動(dòng)點(diǎn)火開關(guān)，結(jié)果沒(méi)有任何反應(yīng)。
8. I switched off the engine and coasted round the corner.
我熄掉引擎，靠慣性轉(zhuǎn)過(guò)彎去。
9. Glass parked the car and switched the engine off.
格拉斯停好車，熄了火。
10. The device automatically disconnects the ignition when the engine isswitched off.
當(dāng)引擎關(guān)掉時(shí)，這個(gè)裝置會(huì)自動(dòng)切斷點(diǎn)火開關(guān)。
11. She switched on one bar of the electric fire.
她打開了一片電暖器。
12. The ballot boxes have been switched.
投票箱被人調(diào)換了。
13. His focus switched to the little white ball.
他把關(guān)注點(diǎn)轉(zhuǎn)移到那個(gè)小白球上。
14. She braked to a halt and switched off.
她剎車停下，然后將車熄火。
15. She switched off the coffee-machine.
她關(guān)掉了咖啡機(jī)。