Past Simple Tense

Form:
positive:              I/He/She/It/We/You/They       worked.
negative:             I/He/She/It/We/You/They       didn't       work.
interrogative:       (Where)      did        I/he/she/it/we/you/they        work?

Use:
Actions or conditions, completed before the current moment:
I met some friends last night.
She started a new job last month.
I went to school even when it snowed.
Pete's brother was on television last night? I had no idea! Did he mention Pete?

Past simple form of regular verbs:
1. +ed

start	started
finish	finished
play	played

2. when the verb ends in "e", only add -d

live	lived
care	cared
die	died

3. when the verb ends in a consonant followed by "y", "y" becomes "i" and we add -ed

dry	dried
carry	carried
spy	spied

4. when the verb ends in a single vowel followed by a single consonant, we double the consonant and add -ed. If the stress is not on that last syllable, the rules does not apply.

stop	stopped
beg	begged
adMIT	admitted
perMIT	permitted
BUT
HAPpen	happened
LISten	listened

Past simple form of irregular verbs:
http://en.wikipedia.org/wiki/List_of_English_irregular_verbs

Common words or phrases used with the past simple:
last night/week/month/year;  
yesterday morning/afternoon/evening;
3 hours/days/weeks/years ago.

Exercises