42. The students in a fifth-grade SEI class have been studying a unit on chemical reactions and have recently conducted some simple experiments related to the unit. The teacher is reviewing students' written responses to short-answer assignments about the experiments. The following is a representative sample of one English learner's writing.
"When the sugar we dissolve in water, the sugar still the sugar is. When the sugar we burn, the sugar not is the sugar anymore. It becomes a new substance. Burning the sugar a chemical reaction is causing."
Given this evidence, when planning instruction to improve the student's academic writing, which of the following factors would be most important for the teacher to consider?