Unit Four:
Perfect & Passive
Verbs
Table of Contents
Unit 1: Parts of Speech
 Unit 2: Phrases, Clauses, and Sentence
Structure
 Unit 3: Simple & Progressive Verbs
 Unit 4: Perfect & Passive Verbs
 Unit 5: Complex Sentences
 Unit 6: Overview of City ESOL Program

Present Perfect

Present Perfect
have/has + past participle

Verb Game
Present Perfect: Why is it used?

Expresses a connection between the past and present.
Now
I ate dinner, so I am not hungry.
I have eaten dinner, so I am not hungry.
Present Perfect: When do we use it?

Completed at an indefinite time in the past
Now
I have read The Little Prince. It is a great book!
I have read The Little Prince last year.
I read The Little Prince last year
I have read The Little Prince twenty times, and I
still love it!
Present Perfect: When do we use it?

Started in the past; continues to the present.
(often times used with for or since)
Now
I have wanted to move to Veracruz since I visited there in 2000.
I have wanted to move to Veracruz for many years.
since = date/specific time
for = length of time
Why & when do we use the present perfect?
Connection
between
the past
and present
Completed
at an
indefinite
time in the past
PRESENT
PERFECT
Started in
the past;
continues to
the present
Correct or Incorrect?
have made
1. Since I have been a college student, I made many new
friends.
do
2. Human beings make mistakes. Sometimes we did
regret
things we regretted.
have been
3. I was interested in physics since high school.
gave
4. The professor has given an introduction to the course
yesterday, the first day of class.
is
5. In my opinion, voting in elections was very important.
have been
6. Since I moved to my new house 15 days ago, I was very
busy.