past tense of countersecure is countersecured.
|Simple / Indefinite Present Tense
|He/She/It countersecures .
|Present Continuous Tense
|He/She/It is countersecuring.
|I am countersecuring.
|You/We/They are countersecuring.
|Present Perfect Tense
|He/She/It has countersecured.
|I have countersecured.
|You/We/They have countersecured.
|Present Perfect Continuous Tense
|He/She/It has been countersecuring.
|I have been countersecuring.
|You/We/They have been countersecuring.
|Simple Past Tense
|Past Continuous Tense
|He/She/It was countersecuring.
|I was countersecuring.
|You/We/They were countersecuring.
|Past Perfect Tense
|He/She/It had countersecured.
|I had countersecured.
|You/We/They had countersecured.
|Past Perfect Continuous Tense
|He/She/It had been countersecuring.
|I had been countersecuring.
|You/We/They had been countersecuring.
|Simple Future Tense
|He/She/It will/shall countersecure.
|I will/shall countersecure.
|You/We/They will/shall countersecure.
|Future Continuous Tense
|He/She/It will/shall be countersecuring.
|I will/shall be countersecuring.
|You/We/They will/shall be countersecuring.
|Future Perfect Tense
|He/She/It will/shall have countersecured.
|I will/shall have countersecured.
|You/We/They will/shall have countersecured.
|Future Perfect Continuous Tense
|He/She/It will/shall have been countersecuring.
|I will/shall have been countersecuring.
|You/We/They will/shall have been countersecuring.
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