Positive form

has/have + Past Participle (Verb + -ed)

I You We You They	have ('ve) done this job before.
He She It	has ('s) arrived just in time.

Exercise 1. Here are the Past Participles of some verbs. Write the Infinitive.

died	----------	sung	----------	swum	----------
fallen	-----------	bought	----------	left	----------
driven	-----------	won	----------	taught	----------
felt	-----------	built	----------	tried	----------
travelled	-----------	chosen	----------	found	----------

Exercise 2. Complete the sentences putting the verbs in brackets in the Present Perfect Tense.

1. My parents _ in Moscow for fifteen years. (live)

2. I _ a lot of friends. (make)

3. They _ here for two hours. (be)

4. She _ him for many years. (know)

5. We _ three exams so far this winter. (have)

6. I'm not feeling well. I think I _ a cold. (catch)

Exercise 3. In the following sentences, say if 's = is or has.

Example: He's worried. (= is). She's left. (= has)

1. He's tired.

2. She's arrived.

3. He's washed the car.

4. It's disappeared.

5. He's ill.

6. She's frightened.

Negative form

has not (hasn't)/have not (haven't) + Past Participle (Verb + -ed)

I You We You They	have not (haven't) eaten anything.
He She It	has not (hasn't) been there.

Exercise 4. Make the following positive sentences negative.

Example: George's won the lottery. - George hasn't won the lottery.

1. We've had our holiday this year.

2. The Browns have painted their house.

3. She's done her homework.

4. I've known him for many years.

5. Tom's travelled all over the world.

General questions

Have	I	ever done this before? - Yes/No	I	have (haven’t)
	you		you
	we		we
	you		you
	they		they

Has	he	checked all the information? Yes\ No	he	has (hasn't)
	she		she
	it		it

Exercise 5. Rewrite each sentence as positive, negative or a general question, according to the instructions. Make all the necessary changes.

Example: Diana has recently won $1000. (question) - Has Diana recently won $1000?

I've seen John this morning, (negative) - I haven't seen John this morning.

Mary hasn't written many books, (positive) - Mary has written a lot of books.

1. They've lived in London for five years. (question)

2. I've seen the Statue of Liberty. (negative)

3. Nick hasn't invited you to his party on Sunday. (positive)

4. Julia has decided to be a doctor. (question)

5. The children have brought their little dog with them. (negative)

6. Jack's heard of Frank's engagement to Judy. (question)

7. Mrs Taylor has gone to Canada on business. (negative)