ascertain的过去式是什么?ascertain的用法和例句

ascertain有弄清，确定，查明;等意思，那么你知道ascertain的过去式是什么吗?今天一起来学习一下ascertain的过去式以及ascertain的用法和例句，希望对大家的学习有所帮助!

ascertain的过去式及其它时态

ascertain的过去式:ascertained

ascertain过去分词:ascertained

ascertain现在分词:ascertaining

ascertain第三人称单数:ascertains

ascertain的用法和例句

1、Ascertain prestress is one of key technology in the manufacture of prestressed heat exchanger.

在预应力换热器的制造中,预应力的确定是关键技术之一.

2、Steamer report seriously damaged now ascertain particulars however our interest fully protected transmit to london.

据说轮船严重受损,详情正在调查之中,但我方利益已完全保住,请电告伦敦公司.

3、We'll ascertain such matter through joint assessment.

我们将通过双方共同估算来确定这些东西的价值.

4、They are doing everything possible to ascertain his whereabouts.

他们正在尽力调查他的下落.

5、I am going to ascertain the truth.

我将弄清事实真象.

6、We will try to ascertain if a new planet exists in our solar system.

我们将查明我们的太阳系中是否存在一颗新的行星.

7、If are grouped into larger units one can ascertain what group an unknown plant belongs to.

如果把它们归类成较大的单位,那么就可以确知某种未知植物属于何类群.

8、Mr Deborah : Did you question Sir Charles ascertain the facts?

问过查尔斯爵士,核查过事实了 吗 ?

9、Such a record is helpful for consultants, attending physicians and nurses ascertain the patient's progress.

这种记录能帮助顾问医生 、 主治医生和护士了解病人病情的发展变化.

10、Do you think you can ascertain prospect of selling such product?

您认为您能够确定这种产品的销售前景 吗 ?