The document discusses the present perfect tense in English. It notes that the present perfect uses have/has plus the past participle of the verb and is used to talk about experiences without specifying an exact time. It provides examples of sentences in the present perfect, including sentences using "for" to indicate a length of time and "since" to refer to a specific date. It also covers forming negative sentences in the present perfect.

1. PRESENT PERFECT
Katie Mitchell

2. Notice have/has and the verb the follows it.
1. He has been president since 2009.
2. He has helped millions of Americans.
3. They have been married for almost 25 years.
4. She has been queen since 1952.
5. She has seen major changes in England.
6. She has performed around the world for years.
7. Her songs have sold millions of copies.
8. She has been famous since 2007.
9. He has worked a lot with computers.
10.Since 1987, he has been a billionaire.
11.He and his wife have given money to important projects.

3. Notice have/has and the verb the follows it.
1. He has been president since 2009.
2. He has helped millions of Americans.
3. They have been married for almost 25 years.
4. She has been queen since 1952.
5. She has seen major changes in England.
6. She has performed around the world for years.
7. Her songs have sold millions of copies.
8. She has been famous since 2007.
9. He has worked a lot with computers.
10.Since 1987, he has been a billionaire.
11.He and his wife have given money to important projects.

4. We use present perfect to talk
about experience. The time
doesn’t have to be exact.

5. Present Perfect
has two parts.
have/has + past participle

6. Present Perfect
I have
worked
visited
enjoyed
done
gone
been
You have
He has
She has
It has
They have
We have
now
X
2009
He has been president since 2009.

7. Present Perfect
I have
worked
visited
enjoyed
done
gone
been
You have
He has
She has
It has
They have
We have
now
25 years
They have been married for almost 25 years.

8. Present Perfect
Statement: I have played music for ten years.
He has played since 2007.
Negative: I have not visited China.
She hasn’t visited China.
*have not =haven’t has not = hasn’t

9. FOR
a length of time
SINCE
a specific date
now
X
2009
He has been president since 2009.
now25 years
They have been married for almost 25 years.