present
I uphold
You uphold
He upholds
She upholds
It upholds
We uphold
They uphold
past
I upheld
You upheld
He upheld
She upheld
It upheld
We upheld
They upheld
future
I will uphold
You will uphold
He will uphold
She will uphold
It will uphold
We will uphold
They will uphold
conditional
I would uphold
You would uphold
He would uphold
She would uphold
It would uphold
We would uphold
They would uphold