英語の動詞「ascertain」の活用形と時制ごとの変化を一覧で紹介しています。意味や使い方、フレーズもあわせて確認して、理解を深めましょう。
「ascertain」の動詞活用一覧
「ascertain」の活用形を一覧で確認しましょう。
活用 | 単語 |
---|---|
原形 | ascertain |
三人称単数現在形 | ascertains |
過去形 | ascertained |
過去分詞形 | ascertained |
現在分詞形 | ascertaining |
※音声が再生されない場合は読み込みを待つかブラウザ変更をお試しください。自動音声のため発音が異なることがあります。
「ascertain」の時制一覧
「ascertain」の時制ごとの変化を確認しましょう。
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
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
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
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
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
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「(調査や実験などによって)~を確かめる、突き止める、確認する」という意味の動詞です。不明瞭な点や不確かな情報を、注意深く調べたり、証拠を集めたりすることで、真実や正確な情報を得る行為を指します。
「ascertain」を使ったフレーズ
「ascertain」を使ったフレーズを紹介します。活用形や時制とあわせて理解を深めましょう。
ascertain the facts(事実を確認する)
ascertain the truth(真実を突き止める)
ascertain the cause(原因を究明する)
ascertain the extent of the damage(損害の程度を把握する)
ascertain the meaning(意味を理解する)
ascertain the price(価格を確かめる)
ascertain the identity(身元を確認する)
ascertain the results(結果を確かめる)
ascertain the situation(状況を把握する)
ascertain the requirements(要件を確認する)
ascertain the validity(有効性を確認する)
ascertain the date(日付を確認する)
ascertain the source(情報源を突き止める)
ascertain the level(レベルを測る)
ascertain the presence(存在を確認する)
ascertain the accuracy(正確さを確認する)
ascertain the details(詳細を確認する)
ascertain the impact(影響を把握する)
ascertain the feasibility(実現可能性を検討する)
ascertain the origin(起源を突き止める)
ascertain the truth(真実を突き止める)
ascertain the cause(原因を究明する)
ascertain the extent of the damage(損害の程度を把握する)
ascertain the meaning(意味を理解する)
ascertain the price(価格を確かめる)
ascertain the identity(身元を確認する)
ascertain the results(結果を確かめる)
ascertain the situation(状況を把握する)
ascertain the requirements(要件を確認する)
ascertain the validity(有効性を確認する)
ascertain the date(日付を確認する)
ascertain the source(情報源を突き止める)
ascertain the level(レベルを測る)
ascertain the presence(存在を確認する)
ascertain the accuracy(正確さを確認する)
ascertain the details(詳細を確認する)
ascertain the impact(影響を把握する)
ascertain the feasibility(実現可能性を検討する)
ascertain the origin(起源を突き止める)
この記事では、英語の動詞「ascertain」の基本的な活用形、時制ごとの変化、意味と使い方、そして実際のフレーズ例を紹介しました。