The Belgium international missed Saturday’s 2-1 defeat at Newcastle due to a one-match ban.
“Marouane has a big influence on our team,” Moyes told the Liverpool Echo.
“At times he is a bigger threat than most because of his size, he can create goals and can be disruptive to the opposition.
“It was a big miss last week not to have him as he is an important player for us.
“I thought he played well against United and Chelsea because he had a dip in the period before that.
“In the last two games I think he has come back into a bit of form. He did as well as anybody in those games.”
