passive in present perfect

1.mary has operated Linda since 10 o'clock

2.Tony hasn't finished his homework

3.we have just seen a horrible accident.

4.he hasn't seen you for years.

5.nobody has used this room for ages.

6.the tailor has just made a new suit for me

7.have you seen philip lately?

8.my father has used this bicycle for 5 years

9.have you seen any good films so far?

10.they have hired peter to do this job

11.the police has interviewed him

12.someone has already told him to give a book repork next week

13.have the farmers cut grass for hay?

14.they haven't sent us the book they published last year

15.the teacher has helped Lam

passive in present perfect

1.The police have arrested the man at the bank.

2.the have just done their housework.

3.how long have you known him?

4.he hasn't finished his work for a long time.

5.has nobody reparied the pipes for a year .

6. who has just sent you letter ?

7. i have just had the waiter carry the suitcase.

8.has no one informed him about that problem?

9.no one has helped me collect the garbage .

10.they have decorated their house recently.

11.how long has he just called me back ?

12.how long have they built this bridge ?

13.he has never finished his homework on time .

14.has this boy just broken my windows?

15.they have just collected the eggs in the coop.

16.have they just corrected the mistakes in their test?

17.they have just mended the roof after the storm.

18.where have they planted the roses?

19.how long has she done the test?

Bài 3 (1,5 điểm): Cho đa thức P(x) = x² + mx – 9 (m là tham số)

a)Tìm giá trị của m để x = 1 là một nghiệm của đa thức P(x)

b) Khi m = 0, tìm tất cả các nghiệm của đa thức P(x)

c) Khi m = 0, tìm giá trị nhỏ nhất của đa thức P(x)

B1: Thu gọn các đa thức sau rồi tìm hệ số và bậc của chúng

a) -6a^2b.5/2bc^3

b)(-2xy^3).3/8xz^2

B2: Cho đa thức P(x)=x^2 + mx-9(m là tham số)

a) Tìm giá trị của m để x=1 là nghiệm của đa thức P(x)

b) Khi m=0, tìm tất cả các nghiệm của đa thức P(x)

c) Khi m=0,tìm giá trị nhỏ nhất của đa thức P(x).

giúp mk nha

the present perfect tense

1.nobody swept this street last week

2.she didn't introduce me to her mother

passive in past simple

1.the Green took Margaret to the National theatre last saturday

2.did shekespeare write ''Hamlet''?

3.he asked them to in form him of the situation.

4.the performed his play on the stage last week.

5.the lion shows attacted us

6.they kept the performing animals in iron cages

7.mr.Smirth gave them ice-cream sandwiches.

8.the childen saw the clowns in the circus tent

9.the elephants fascinated the childrent most.

10.people bought tickets from the ticket - booth

11.they painted the clown's faces white and red

12.they separated the rice from the husk

13.the boys made a fire by their camp

14.they built this house more than one hundred years ago

passive in past simple

1.did the clowns attrac a lot of children in the circus?

2.what did you give Anna yesterday?

3.Alice invited us to her birthday party.

4. what did you give john yesterday?

5.why didn't you turn off the light?

6.An usherette showed them to their seats near the stage.

7.who drove ''A New Car''?

passive in the past simple

1.someone saw him pick up a stone and throw it at the riot police

2.his failure disappoited his perents.

3.all students attended the metting

4.she didn't harvest the vegetables in the garden

the present perfect tense

1 .he(talk).......................to his teacher about the film on TV

2 .we(not brush)......................our teeth before breakfast

3.last week,the doctor(fill)....................a cavity in my eighth tooth

4.ba(clean and tidy)...................his room yesterday afternoom

1 .he(talk).......................to his teacher about the film on TV

2 .we(not brush)......................our teeth before breakfast

3.last week,the doctor(fill)....................a cavity in my eighth tooth

4.ba(clean and tidy)...................his room yesterday afternoom