1. Past simple of the verbs BE, HAVE, DO
was
had
did
You
were
He, she, it We
They
I was in Japan last year
She had a headache yesterday.
We did our homework last night.
They weren't in Rio last summer.
We didn't have time to visit the Eiffel Tower.
We didn't do our exercises this morning.
Were they in Iceland last January?
Did you have enough money?
Did you do much climbing in Switzerland?

2. Past simple of regular and irregular verbs
Positive
Negative
Question
Short answer
I worked
I spoke.
I did not work.
I did not speak.
Did you work?
Did you speak?
Yes, I did,
No, I didn´t.
Regular verb + ed
Irregular verb
Function: completed action in a time before now (He visited his parents last week.) Signal Words: often, sometimes, always last week, when I was a child, yesterday, six weeks ago. the other day, ages ago, a long time ago etc.

3. Exceptions in spelling when adding ed
Example
love – loved, like
admit – admitted travel – travelled
hurry – hurried , carry

4. Time prepositions
At – for times of the day
at half past 7 at midnight at sunset at breakfast time
On - for days and dates
on the 5th of June
on Tuesdays,
on Saturday morning
on Christmas day
In - for longer periods of time
in April
in 1987
in the winter of 1976
in the 1930s
No preposition – for some time words
next
last
tomorrow
yesterday