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。
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