ensure的过去式和用法例句

ensure的过去式和用法例句

　　ensure有担保;保证;使安全;确保等意思，那么你知道ensure的过去式是什么吗?下面学习啦小编为大家带来ensure的过去式和用法例句，欢迎大家学习!

　　ensure的过去式和其他时态：

　　过去式: ensured

　　过去分词: ensured

　　现在分词: ensuring

　　ensure的用法：

　　ensure的用法1：ensure的基本意思是指某人向其他人作出口头或书面上的承诺,强调使人确信某个行为或力量的后果会肯定地、不可避免地、有把握地出现。

　　ensure的用法2：ensure既可用作及物动词,也可用作不及物动词。用作及物动词时,可接名词和that从句作宾语, that从句可用陈述语气,也可用虚拟语气。

　　ensure的用法3：ensure也可接双宾语,其间接宾语可以转换为介词for的宾语。用作不及物动词时,后可接介词from〔against〕,表示“保护某人不受危害”。

　　ensure的过去式例句：

　　1. An automatic voltage regulator ensured a constant output from the generator.

　　一个自动电压调节器保证了发电机电流输出的稳定。

　　2. They had ensured the plumbing was overhauled a year ago.

　　他们曾保证水管一年前彻底检修过。

　　3. Her father always ensured she was well provided for.

　　她的父亲总是确保她衣食无忧。

　　4. The programme's awfulness has ensured it is talked about.

　　节目如此糟糕，肯定会被人议论。

　　5. The book ensured his success.

　　这本书保证了他的成功。

　　6. Proper clothing ensured us against suffering from the cold.

　　衣服穿得合适,我们就不会挨冻.

　　7. The craftsmen have ensured faithful reproduction of the original painting.

　　工匠保证要复制一幅最接近原作的画.

　　8. We ensured it to be pure.

　　我们担保它是纯的.

　　9. Britain's negotiators had ensured that the treaty which resulted was a significant change in direction.

　　英国谈判代表已经担保由此而签订的条约将是方向上的重大改变。

　　10. His outspokenness has ensured that he has at least one senior enemy within the BBC hierarchy.

　　他的坦率直言已经使得他和英国广播公司内部的至少一位高层树了敌。

　　11. A major order ensured that our business got off to a good start.

　　一份大额定货单确保了我们的生意有了良好的开端.

　　12. What troubles me is that the supply of raw materials is not ensured.

　　使我担忧的是原料供应没有保证.

　　13. The livelihood of retired personnel is ensured by the state and society.

　　退休人员的生活受到国家和社会的保障.

　　14. Something approximating to a fair outcome will be ensured.

　　保证会有大致公正的结果。

　　15. He carefully joined the cables and ensured the connections were solid.

　　他小心地接上导线,确保连接牢固.