The main branches of electrical engineering are telecommunications, power and lighting; and computer engineering.

Science is a tool that engineers use -along with mathematics- to perform their unique duties.

The dog should bring the bones.

The bones by it.

You must not touch this button while the experiment is in progress.

This button while the experiment is in progress.

The children can read books.

Books by the children.

The meeting – hold – in my office (PAST CONTINUOUS)

The oldest house – build – in 1575 (PAST SIMPLE)

That building is dangerous. It ought to down before it falls down. (knock)

A decision will not until the next meeting. (make)

• It is said that the planet is in danger.

This type of passive is called .