The students were instructed to sit in their groups and observe the crime scene, and then gathered as a class to collect the data in a chart.
(The students; were instructed; to sit in their groups and observe the crime scene) (The students; to sit; in their groups) (The students; to observe; the crime scene) (The students; gathered; as a class; to collect the data in a chart; T:then)
The students The students The students The students
were instructed to sit to observe gathered
to sit in their groups and observe the crime scene
in their groups
the crime scene
as a class to collect the data in a chart T:then