The document discusses the difference between using the simple past and present perfect tenses. The simple past is used to indicate a finished action at a specific time in the past, while the present perfect is used for actions that began in the past but are still relevant or connected to the present in some way, without specifying a exact time. It provides examples of using each tense correctly with phrases involving actions like working, owning, buying, and fighting.

1. SIMPLE PAST &
PRESENT PERFECT
Katie Mitchell

2. Uses
Simple Past
Exact time
Action is finished
Present Perfect
Unknown, unstated time
Action affects present

3. IWORKEDYESTERDAY.
I HAVEWORKED HERE
FORYEARS.

4. He _______________ his skateboard for years.
Simple Past or Present Perfect
HAVE

5. He _______________ his skateboard for years.
Simple Past or Present Perfect
HAVE
has had

6. He _______________ it in 2006.
Simple Past or Present Perfect
BUY

7. He _______________ it in 2006.
Simple Past or Present Perfect
BUY
bought

8. They _______________ last night.
Simple Past or Present Perfect
FIGHT

9. They _______________ last night.
Simple Past or Present Perfect
fought
FIGHT

10. They _______________ a lot since they got married.
Simple Past or Present Perfect
FIGHT

11. They _______________ a lot since they got married.
Simple Past or Present Perfect
have fought
FIGHT