TARGETS FOR REVISING
Rationale
Easy to Spot
Harder to Spot
Simple Sentence Syndrome

Examples with complex verb forms:
Mary HAD LIKED John   >>>
 John HAD BEEN LIKED (by Mary).
 Mary WILL ASK John   >>>
 John WILL BE ASKED (by Mary).
Mary SHOULD TELL John   >>>
 John SHOULD BE TOLD (by Mary).