Choose your option:
Stop Paired Reading for a rest (and perhaps start again later)?
Tutee attempts all words Reading Alone; Tutor gives correct example of error word only; Tutee repeats correctly and continues Reading Alone.
Pair both read each page silently sitting together; Pair discuss & question about content at natural breaks.
Pair discuss book; Tutee Reads Alone silently sitting alone; Tutee visits tutor at natural break for discussion/questions. If the tutee tends to continue too long alone, a suitable natural break is agreed in advance.