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  1. a final group of utilities worth mentioning is designed (present simple passive) for backing up and cleaning up hard disks.2. a data base is (present simple) simply a collection of date that is stored(present simple passive) on one or more computers. 3. the operating system must first be loaded(present simple passive with modal verb) into primary storage.4. multitasking capabilities were once found only on minicomputers and mainframes. (past simple passive)5. utility programs monitor how often and how quickly an application program is being executed compared to all the other programs in the system at the same time. (present simple; present continuous passive)

a  great power  is a  country  that has the ability to exert its influence on a global scale. goverment of this country   has  economic capability, political stability   and military strength. today we can see a multinational forums like    the  european union  and the  group of eight. countries of g8  have  heavy responsibility for whole world because of their  nuclear weapons  and  large economies.the top of major powers in the world are expected to resolve tensions around the world and promote peace. i think everyone have to know:   significant   powers have existed throughout history, it is important part of our life, with  big powers we can   work out solutions to global problems together

1 i am not ambitious at all.

2. kate is mean a bit.

3. henry is a quite tolerant person.

4. toby is slightly shy.

5. my brother is quite impatient.

are they your friends? -yes, they are

is he your brother? - yes, he is

can he ride a bike? - no, he can't

do you want to play with the ball? - no, i don't

does she roller-skate well? - no, she doesn't

does your friend want to play the piano? - yes, he does