Past Tenses
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Ascertain Past Tense

past tense of ascertain is ascertained.

Ascertain verb forms

InfinitivePresent ParticiplePast TensePast Participle

Conjugation of Ascertain

Simple / Indefinite Present Tense
He/She/It ascertains .
I ascertain.
You/We/They ascertain.

Present Continuous Tense
He/She/It is ascertaining.
I am ascertaining.
You/We/They are ascertaining.

Present Perfect Tense
He/She/It has ascertained.
I have ascertained.
You/We/They have ascertained.

Present Perfect Continuous Tense
He/She/It has been ascertaining.
I have been ascertaining.
You/We/They have been ascertaining.

Simple Past Tense
He/She/It ascertained.
I ascertained.
You/We/They ascertained.

Past Continuous Tense
He/She/It was ascertaining.
I was ascertaining.
You/We/They were ascertaining.

Past Perfect Tense
He/She/It had ascertained.
I had ascertained.
You/We/They had ascertained.

Past Perfect Continuous Tense
He/She/It had been ascertaining.
I had been ascertaining.
You/We/They had been ascertaining.

Simple Future Tense
He/She/It will/shall ascertain.
I will/shall ascertain.
You/We/They will/shall ascertain.

Future Continuous Tense
He/She/It will/shall be ascertaining.
I will/shall be ascertaining.
You/We/They will/shall be ascertaining.

Future Perfect Tense
He/She/It will/shall have ascertained.
I will/shall have ascertained.
You/We/They will/shall have ascertained.

Future Perfect Continuous Tense
He/She/It will/shall have been ascertaining.
I will/shall have been ascertaining.
You/We/They will/shall have been ascertaining.

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