Memory Game Past simple Vs present perfectOnline version Students have to match the pictures with the correct sentences taking onto account if they are in past simple or present perfect. by Paola Alcina She ate a lot of cake two hours ago. She has bought many presents for their parents. They haven't travelled to Paris. They haven't flown a plane in their lives. He has fallen down on the wet floor. Clare wore a beautiful dress two days ago. She has swum for one hour. She studied for the math exam yesterday. They have sailed the sea for two days. I didn't sleep yesterday.