「ascertain」の活用形
原形|ascertain
三単現|ascertains
過去形|ascertained
過去分詞|ascertained
現在分詞|ascertaining
三単現|ascertains
過去形|ascertained
過去分詞|ascertained
現在分詞|ascertaining
「ascertain」の時制一覧
現在形
I ascertain
You ascertain
He/She/It ascertains
We ascertain
They ascertain
I ascertain
You ascertain
He/She/It ascertains
We ascertain
They ascertain
過去形
I ascertained
You ascertained
He/She/It ascertained
We ascertained
They ascertained
I ascertained
You ascertained
He/She/It ascertained
We ascertained
They ascertained
現在完了形
I have ascertained
You have ascertained
He/She/It has ascertained
We have ascertained
They have ascertained
I have ascertained
You have ascertained
He/She/It has ascertained
We have ascertained
They have ascertained
現在進行形
I am ascertaining
You are ascertaining
He/She/It is ascertaining
We are ascertaining
They are ascertaining
I am ascertaining
You are ascertaining
He/She/It is ascertaining
We are ascertaining
They are ascertaining
未来形
I will ascertain
You will ascertain
He/She/It will ascertain
We will ascertain
They will ascertain
I will ascertain
You will ascertain
He/She/It will ascertain
We will ascertain
They will ascertain
過去進行形
I was ascertaining
You were ascertaining
He/She/It was ascertaining
We were ascertaining
They were ascertaining
I was ascertaining
You were ascertaining
He/She/It was ascertaining
We were ascertaining
They were ascertaining
未来進行形
I will be ascertaining
You will be ascertaining
He/She/It will be ascertaining
We will be ascertaining
They will be ascertaining
I will be ascertaining
You will be ascertaining
He/She/It will be ascertaining
We will be ascertaining
They will be ascertaining
過去完了形
I had ascertained
You had ascertained
He/She/It had ascertained
We had ascertained
They had ascertained
I had ascertained
You had ascertained
He/She/It had ascertained
We had ascertained
They had ascertained
未来完了形
I will have ascertained
You will have ascertained
He/She/It will have ascertained
We will have ascertained
They will have ascertained
I will have ascertained
You will have ascertained
He/She/It will have ascertained
We will have ascertained
They will have ascertained
現在完了進行形
I have been ascertaining
You have been ascertaining
He/She/It has been ascertaining
We have been ascertaining
They have been ascertaining
I have been ascertaining
You have been ascertaining
He/She/It has been ascertaining
We have been ascertaining
They have been ascertaining
過去完了進行形
I had been ascertaining
You had been ascertaining
He/She/It had been ascertaining
We had been ascertaining
They had been ascertaining
I had been ascertaining
You had been ascertaining
He/She/It had been ascertaining
We had been ascertaining
They had been ascertaining
未来完了進行形
I will have been ascertaining
You will have been ascertaining
He/She/It will have been ascertaining
We will have been ascertaining
They will have been ascertaining
I will have been ascertaining
You will have been ascertaining
He/She/It will have been ascertaining
We will have been ascertaining
They will have been ascertaining
「ascertain」の意味と使い方
「ascertain」は「確かめる」「確認する」「究明する」といった意味を持つ動詞です。主に、調査や実験、観察などを通して、不確かな情報を確実なものにすることを指します。例えば、「事実をascertainする」は、事実関係を調査して明らかにするという意味になります。「原因をascertainする」は、原因を特定するために調査や分析を行うことを意味します。また、「損害額をascertainする」のように、金額や数量などを確定させる場合にも使われます。フォーマルな場面で使われることが多く、日常会話ではあまり使われませんが、ビジネスや学術的な文脈では頻繁に登場します。
このページは英語の動詞「ascertain」の活用形と時制を一覧で紹介しています。