present
I engineer
You engineer
He engineers
She engineers
It engineers
We engineer
They engineer
past
I engineered
You engineered
He engineered
She engineered
It engineered
We engineered
They engineered
future
I will engineer
You will engineer
He will engineer
She will engineer
It will engineer
We will engineer
They will engineer
conditional
I would engineer
You would engineer
He would engineer
She would engineer
It would engineer
We would engineer
They would engineer