PAST 1. yesterday

2. last _____

last nightlast weeklast monthlast yearlast Tuesdaylast summeretc.

3. a / an / one _____ ago

a / one minute agoan / one hour agoa / one week agoa / one week agoa / one month agoa / one year agoetc.

4. (plural number or expression) _____ ago

two minutes agothree hours agoseveral days agoa few weeks agoa number of months agomany years agoetc.

5. the day before yesterday 6. the _____ before last

the night before lastthe week before lastthe month before lastetc.

7. past dates

Examples:

in 1998on June 21st (if this date was before now)on June 21st, 2000during 1995in the 19th Centurylast Christmasetc.

8. past events

on my last birthdayat the beginning of my classduring my childhoodwhen I got up this morningwhen my grandfather was a boyetc.

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Special Notes:

1. "Last" is very commonly used, but not with "day":use yesterday, not *last day.

2. Two or more time adverbial can be combined:

at 2:30 yesterday afternoonlate last nightearly in the morning a couple of days agoevery Thursday last summeretc.