1. REGULAR VERBS
1.1. AFFIRMATIVE Subject + verb + -ed : They watched TV yesterday
1.2. N E G A T I V E Subject + didn’t + verb They didn’t watch TV yesterday
1.3. INTERROGATIVE Did + subject + verb ? Did they play football last Sunday?
2. SPELLING RULES REGULAR VERBS : -ED
2.1. 1. Verbs that end in -e : add -d only live - lived / phone - phoned
2.2. 2. Verbs that end in a consonant + -y: change the -y to -i and add -ed study - studied
2.3. 3. Verbs that end in one vowel and one consonant: double the final consonant and add -ed stop - stopped
2.4. 4. Verbs that end in a vowel + consonant: add -ed Play – played
3. IRREGULAR VERBS
3.1. 1. Many important verbs are irregular. We do not use -ed to form the past simple. All of them have got irregular forms that you have to MEMORIZE.
3.1.1. I bought a book.
3.1.2. He ate a hamburger.
3.2. We form the NEGATIVE AND INTERROGATIVE in the same way as regular verbs.
3.2.1. I didn’t buy a book
3.2.2. He didn’t eat a hamburger
3.3. With the SIMPLE PAST we use expressions of time like:
3.3.1. Yesterday
3.3.2. Last...
3.3.3. Thow years ago
3.3.4. In 1989
4. USES
4.1. Completed Action in the Past
4.1.1. Use the Simple Past to express the idea that an action started and finished at a specific time in the past
4.2. A Series of Completed Actions
4.2.1. We use the Simple Past to list a series of completed actions in the past. These actions happen 1st, 2nd, 3rd, 4th, and so on.
4.3. USE 3 Duration in Past
4.3.1. The Simple Past can be used with a duration which starts and stops in the past. A duration is a longer action often indicated by expressions such as: for two years, for five minutes, all day, etc.
4.4. Habits in the Past
4.4.1. The Simple Past can also be used to describe a habit which stopped in the past. It can have the same meaning as "used to." To make it clear that we are talking about a habit