Rewrite each sentencer, beginning as shown, so that meaning stays the same

1.I don't have a computer

I wish

2.They learn English badly

I wish

3.It is very hot now

We wish

4.She doesn't draw well

She wishes

5.She doesn't understand the lessons

She wishes

6.I'm really sorry I didn't invite her to the party

I really wish

7.I'm sorry I can't help you do your homework

I wish

8. She doesn't like to work with him

She wishes

9.I speak English badly

I wish

10. He can't swim as well as his friend

He wishes

11.We can't fly

We wish

12.She has to work on Saturday

She wishes

13.I don't know much about him

I wish

14.Nam isn't here

I wish

15. It's pity! She has to do her homework

She wishes

34.Our childeren aren't studying hard

We wish

35.It is raining

We wish

36.She will not go with us tomorrow

We wish

37. It will rain tomorrow

I wish

38. It's a apity I didn't watch the film lastnight

I wish

39.I'm sorry I didn't do my homework

I wish

40.They didn't pass the exam

They wish

41. I regretted going to school late

I wish

42.I'm really sorry I didn't invite you to my birthday party

I wish

43.I regretted asking her to lend my money

I wish

44. She regretted not phoning me yesterday

She wishes

Rewrite each sentences, beginning as shown, so that the meaning stays the same

1.Without jack's help, I wouldn't have been able to move the table

If...

2.If you changed your mind, you'd be welcome to join us

Were you...

3.I wouldn't except if you asked me to marry you

If you were

4.I didn't enjoy my holiday there so I am not going back

If

5.If the guests arrived this week, there'd be no rooms available

Were the guests

6.You're tired now because you went to bed so late lastnight

If

7.She can meet him If he arrives before eleven

So

8.You can borrow the car, but you've got to fill it up with petrol

Provide

9.She doesn't know anything about first aid, so she couldn't help him

If

10.I didn't look after my teeth, and now I've got false ones

If

11.You drink too much coffee, that's why you can't sleep

If

12.He would have lent you his violin if you'd asked him

Had

13.Without your help, I couldn't have done it

If

If it

Rewrite each sentence beginning as shown, so that the meaning stays the same,beginning with If

1.The speaker was ill suddenly and they cancelled the lecture

2.I am in a hurry.I won't stay for dinner

3.He can't type, he isn't able to operate a computer

4.I was able to buy the car because Jim lent me they money

5.He doesn't have time to do exercise, that's why he is unhealthy

6.Lucky you were here, or the house would have caught fire

7.The police shower me the way, so I found the house

8.John is fat because he eats so many chips

9.John missed the ferry because his car broke down

10.I didn't know your number, so I didn't call you

11. Make me some coffee, and I'll give you one of my biscuits

12.If I'd gone to the party, I'd have met Melanie

Rewrite these sentences to begin with an imperative+and , or +clause :

1. if you ask me nicely, i'll mend it for you

2.You might fall if you are not careful

3.If you don't take a taxi, you'll miss your train

4.If you don't hurry, you'll be late

5.If you listen carefully, you'll find the correct answer

Put the verbs in brackets in the correct form.

17.Were it to rain tomorrow, the match (be)... postponed.

18.If I (meet)... you earlier, I wouldn't have married Jane.

19.It's a beautiful house, I(buy)... it if I (have)... the money, but i can't affod it.

20.Had i known she was so ill, I (not go out)...

21.Jim is so untidy! If he (buy)... some new clothes, he (not look)... so bad

22.If you (look after)... the car,it will never break down

23.If you (look after)... the car,it wouldn't break down so much

24.If you (look after)... the car,we'd be able to sell it now

25.Of couse I'm not going to give her a diamond ring. If I (give)... her diamond ring, she(sell)... it

26.The job is much worse than I excepted. If I (realize)... how auful it was going to be,I (not except)...it

27.Mark isn't a serious athlete.If he(train)...harde, he(be)... quite a good runner

28. If we(work)...all night, we(finish)...in time, but we have to no intention of working all night

29.If you (have )... three wishes,what( you wish)... for

30.Why didn't you say that you were short of money

If I ( know)...about that, I (lend) ... you some

31.(cau 21)

32.Why didn't you phone

I(know)... you were coming, I (meet)... you at the airport

33.She studies badly.I wish she (study)...better

34.He wishes he (be)... a teacher at present

35.Our English is not good. We wish we(speak)... English well

36.Lan wishes her friend(visit)...her

37.She wished her father (be)... her now to help her

38. I wish they (visit)...us when they were in town

39.I wish someone (give)... me a job next month

40.If only I (can take)...the trip to Hanoi with her next summer

41.I wish they (know)... the truth yesterday

42.We wish she (be)... our teacher of English

43.My brother wishes he(not waste)... time when he was young

44.They wish they(come)... to class on time yesterday morning

45.I wish I (spend)... my last summer vacation in the mountains

1, Tìm giá trị lớn nhất của :

A=\(-x^2-5x+3\)

B=\(-2x^2-7x+9\)

C=\(-3x^2+5x-7\)

D=\(-4x^2+9x+3\)

E=\(-5x^2+10x+21\)

2, Tìm giá trị nhỏ nhất của :

A=\(x^2+5y^2+4xy+4x+10y+2010\)

B=\(x^2+15y^2+4x-10y-6xy+30\)

SB : 0.7

SL : 1.4

k cho mình nhé

( 0,25)^3*32

=1/64*32

=0,5

Tìm GTNN của :

A=\(x^2+3x+y^2-6x+2011\)

B=\(3x^2+7x+9\)

C=\(4x^2-15x+20\)

D=\(5x^2+11x+19\)

E=\(x^2+2xy+2x+5y^2+9y+2018\)