I have been trying to find an activity to help my learners master prepositions of time, so I came up with this activity to use in class as practice. They apply in, on & at very well while doing a worksheet, but get them mixed up during conversation.I am going to give it a trial run on Monday. I hope whoever downloads it finds it useful. 

preposition-of-time-conversation-cards-grammar-drills_105236.doc

Preposition of Time Conversation Cards

preposition-of-time-conversation-cards

Let's do English ESL general grammar practice. I have been trying to find an activity to help my learners master prepositions of time, so I came up with this ac…