动词ascertain在英语中所有时态的构词法

下面是英语动词ascertain的变位表。

动词ascertain在现在时态中的变体

Present Tense

  • I ascertain
  • you ascertain
  • he|she|it ascertains
  • we ascertain
  • you ascertain
  • they ascertain

Present Continuous

  • I am ascertaining
  • you are ascertaining
  • he|she|it is ascertaining
  • we are ascertaining
  • you are ascertaining
  • they are ascertaining

Present Perfect

  • I have ascertained
  • you have ascertained
  • he|she|it has ascertained
  • we have ascertained
  • you have ascertained
  • they have ascertained

Present Perfect Continuous

  • I have been ascertaining
  • you have been ascertaining
  • he|she|it has been ascertaining
  • we have been ascertaining
  • you have been ascertaining
  • they have been ascertaining

如何在英语中使用这些变位时态?现在时在英语中表达习惯、频率、一般事实和状态。现在进行时主要表达的是仍在进行的行动或活动的意思。现在完成时表达的概念总是与现在或某一事件的结果有关。最后,现在完成时与活动的概念相关联,即持续时间。

动词ascertain在过去时态中的变体

Simple past

  • I ascertained
  • you ascertained
  • he|she|it ascertained
  • we ascertained
  • you ascertained
  • they ascertained

Past continuous

  • I was ascertaining
  • you were ascertaining
  • he|she|it was ascertaining
  • we were ascertaining
  • you were ascertaining
  • they were ascertaining

Past perfect

  • I had ascertained
  • you had ascertained
  • he|she|it had ascertained
  • we had ascertained
  • you had ascertained
  • they had ascertained

Past perfect continuous

  • I had been ascertaining
  • you had been ascertaining
  • he|she|it had been ascertaining
  • we had been ascertaining
  • you had been ascertaining
  • they had been ascertaining

在英语中如何使用这些变位时态? 简单过去时表达与现在无关的已完成的动作,过时的过去动作或习惯。它在英语中非常经常使用。过去连续时态(简单过去时+ING)则用于谈论过去正在进行的行动,或者当另一个行动发生时,过去的行动正在进行。过去完成时用于表示该动作发生在另一个过去动作之前。最后,过去完成时用于指过去的一个连续动作,一直持续到另一个过去的动作。

动词ascertain在未来时态中的构词法

Future

  • I will ascertain
  • you will ascertain
  • he|she|it will ascertain
  • we will ascertain
  • you will ascertain
  • they will ascertain

Future continuous

  • I will be ascertaining
  • you will be ascertaining
  • he|she|it will be ascertaining
  • we will be ascertaining
  • you will be ascertaining
  • they will be ascertaining

Future perfect

  • I will have ascertained
  • you will have ascertained
  • he|she|it will have ascertained
  • we will have ascertained
  • you will have ascertained
  • they will have ascertained

Future perfect continuous

  • I will have been ascertaining
  • you will have been ascertaining
  • he|she|it will have been ascertaining
  • we will have been ascertaining
  • you will have been ascertaining
  • they will have been ascertaining

在英语中如何使用这些变位时态?未来用于谈论未来的事实行动。未来连续式用于谈论未来将要发生的事情。未来完成时是英语中不常使用的一种连接时态,这种连接时态用于谈论未来的事实行动,在另一个行动之前。最后,未来完成时很少使用,这种时态用于谈论一个正在进行的、在另一个行动之前的未来行动。

英语中分词的不同形式,用于动词ascertain。

Present participle

  • ascertaining

Past participle

  • ascertained

Perfect Participle

  • having ascertained

英语中的祈使句,用于动词ascertain。

Imperative

  • ascertain
  • let's ascertain
  • ascertain

用英语拼写另一个动词

其他随机发现的英语动词: anneal arrogate ascend ascribe assault beeswax catalyse crust haw neuter