найдите и подчеркните причастные обороты;укажите, в роли какого члена предложения герундий

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Перепишите предложения, найдите и подчеркните причастные обороты.

1. Personal computers being used for many purposes, scientists go on to improve their quality.
2. Knowledge being the most valuable wealth of our time, the information theory is of great importance for the national economy.
3. We have already mentioned this method as affording good results.
4. The disk removed, the computer can be switched off.
5. The problem was recognized by many scientists as being of great importance.

Перепишите предложения, подчеркните и укажите, в роли какого члена предложения употребляется герундий.

1. Formulating a problem statement provides a minimal amount of planning. (subject)
2. Today we cannot help witnessing a tendency in science to direct the collective efforts of a research team at the achievement of a common goal.
3. There are systems analysts who are responsible for analyzing and designing new applications as well as complete systems.
4. A high-level programming language is a way of writing programs using English-like words as instructions.
5. In considering the development of computers we must point out the oldest forms of mechanical devices for calculation.