The former Tottenham boss took the reins at Villa Park after the West Midlands club sacked Paul Lambert earlier this month but could not guide them to a win in his first Premier League game in charge on the weekend.
Villa were beaten 2-1 at home by Stoke City on Saturday and Sherwood knows it is going to take a little time for him to make an influence on his squad who currently sit second bottom on the table.
"We've had five days training," he told Sky Sports News HQ. "Of course it's going to take time. I've managed for one game and scored one goal - good ratio.
"We've got as much time as we can. Whatever time is left we have to get the job done.
"They're obviously very disappointed (after the Stoke defeat). I hope they share the same disappointment as I had although they showed the disappointment to the fans.
"We need to go out and do it for ourselves now and if we can get as many points as possible then we're going to fail trying, that's for sure."
Villa will get the chance to produce their first league win in 11 outings when they head to St James' Park to take on Newcastle United on Saturday.
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