present
I sack
You sack
He sacks
She sacks
It sacks
We sack
They sack
past
I sacked
You sacked
He sacked
She sacked
It sacked
We sacked
They sacked
future
I will sack
You will sack
He will sack
She will sack
It will sack
We will sack
They will sack
conditional
I would sack
You would sack
He would sack
She would sack
It would sack
We would sack
They would sack