Having the prepositions of time listed and in sections is nice. But I would also have more graphic examples. I would make a worksheet where the students matched examples to the appropriate preposition of time.
English Grammar solution: Structure of All Tense, Structure of the Tense. i would probably break this chart down into different pieces but most kids have trouble when it comes to the different tenses. so this would help a lot in the classroom.
Age Suitability: Prep - Grade 2 A phonic sounds poster which illustrates the various sounds made when learning to read and write. colourful, fun, and vibrant way for kids to learn, about the English language