He can if he wants to.
4 seconds sound clip from the Pet Sematary (1989) movie soundboard.
You can hear this line at 00:51:47 in the Blu-ray version of the movie.
Quote context
[...]
- I can't sleep with Mommy. She keeps stealing the covers.
- Ellie, what you got there? Hmm? What you got there? Let me see. Can I see?
- Oh. Ain't that real nice? You pulling him in the wagon. Bet he liked that, didn't he?
- I'm going to carry this picture, Mr. Crandall, until God lets Gage come back.
- Ellie, God doesn't do things like that.
- I have to keep his things waiting for him. That's what I think.
- I've got his picture. And I'm gonna sit in his chair...
- Louis, take care of your little girl. She needs you.
[...]