Английский язык

[Белый кролик]

Привет!

1 и 2 - правильно.
3 - я думаю.
4. Should computer data processing systems combine the capabilities of both humans and computers?
5. Вместо could be нужно could been.

[jul92]

спасибо!!)))я конечно прошу прощения за наглость но у меня еще одно задание в котором я на 60%сомневаюсь!!!Перепишите предложения, поставьте модальные глаголы в форме:
а) прошедшего времени; б) будущего времени.
 
1. With a well-designed CPU you can perform highly sophisticated tasks in a very short time. а) With a well-designed CPU you could perform highly sophisticated tasks in a very short time. б) With a well-designed CPU you will  be able to perform highly sophisticated tasks in a very short time.
2. The computer memory must store the information transmitted from the input and other devices. а) The computer memory had to store the information transmitted from the input and other devices. б) The computer memory will  probably store the information transmitted from the input and other devices.
3. The I/O environment may be human-related or human-independent. а) The I/O environment might be human-related or human-independent. б)  The I/O environment will be allowed to be human-related or human-independent.
4. The computer cannot manipulate formulae, equations and calculations. а) The computer couldn't manipulate formulae, equations and calculations. б) The computer will be allowed to manipulate formulae, equations and calculations.
5. Any problem is to be specially processed for the computer to understand it, that  is – coded or programmed. а) Any problem is to be specially processed for the computer to understand it, that  is – coded or programmed. б)  Any problem is to be specially processed for the computer to understand it, that  is – coded or programmed.- здесь я так думаю что-то с is to be надо сотворить,только вот что...


и еще одно предложение! где тут модальный глагол?
The purpose of the clock speed is to synchronize internal data movements. Цель тактовой частоты состоит в том, чтобы синхронизировать внутренние перемещения данных.