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