3. For exact time – “At nine o´clock.” Meal times. – “ at breakfast.” Specific parts of the day.- “ at night” Some time expressions.- “ at the moment, at the weekend…”

4. For days of the week. - On Tuesday.” For dates. “ On June 23rd.” For aniversaries. – “ On my birthday” For special days. – “ on Christmas day.”

5. For months of the year.. –”In July.”.” For seasons. –”In Autumn.” For years. –”In 1971.” For parts of the day ( but AT night). –”In the evening.”

6. Common expressions with: This... Last… Next... Every…