present
I diagnose
You diagnose
He diagnoses
She diagnoses
It diagnoses
We diagnose
They diagnose
past
I diagnosed
You diagnosed
He diagnosed
She diagnosed
It diagnosed
We diagnosed
They diagnosed
future
I will diagnose
You will diagnose
He will diagnose
She will diagnose
It will diagnose
We will diagnose
They will diagnose
conditional
I would diagnose
You would diagnose
He would diagnose
She would diagnose
It would diagnose
We would diagnose
They would diagnose