Past Tenses
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Flatline Past Tense

flatlined
past tense of flatline is flatlined.

Flatline verb forms

InfinitivePresent ParticiplePast TensePast Participle
flatlineflatliningflatlinedflatlined

Conjugation of Flatline

Simple / Indefinite Present Tense
He/She/It flatlines .
I flatline.
You/We/They flatline.

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

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

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

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

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

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

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

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

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

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

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

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