Learning how to use prepositions of time in on at. This grammar lesson also shows examples of how to use them in a sentence. This site has also many more resources on grammar.
Prepositions of place - English grammar
Tricky Prepositions - Writers Write by Hasenfeffer
I love to use images to teach prepositions. I think it's a good way of helping our students understand and remember the prepositions of plac.
Printable prepositions poster for help with learning the English language.
Illustration of day and night with sentences showing the use of some common prepositions of time - at, in, during. Vocabulary for ESL learners and teachers.