The 21-year-old winger enjoyed four successful seasons at Borussia Dortmund, scoring 50 goals in 137 appearances.
Sancho is yet to score or assist for the Red Devils following his £73million move during the summer.
Jadon Sancho is yet to score or assist for Manchester United following his £73m move
But Shaw does not believe Sancho is ‘struggling’ and firmly believes his time will come at Old Trafford.
‘Sometimes, for people, it takes time,’ Sancho told talkSPORT. ‘But I wouldn’t say he’s struggling at the moment.
‘He’s working extremely hard behind closed doors and training really well and looking really sharp. He just hasn’t had that bit of luck that sometimes you need for your first goal or first assist.
The 21-year-old is currently with England preparing for the upcoming World Cup qualifiers
‘But I’ve got no doubt in my mind, it’s coming. The talent he has is unbelievable, he can go right to the very top.
‘It’s just about him staying focussed, keep doing what he’s doing in training and working hard. His time will come.’
Shaw said fellow summer signing Cristiano Ronaldo has already ‘raised the levels’ at Old Trafford.
‘He’s definitely raised the levels,’ Luke added. ‘I think there’s no question why he’s been one of the best players in the world over the last 10 years. The way he conducts himself, the standards he sets, and his mentality is one of the best I’ve ever witnessed.
Manchester United defender Luke Shaw does not believe his team-mate is ‘struggling’