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