The steam engine, airplanes, robots, and biomechanical suits are examples of aerospace engineering.

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

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

This button while the experiment is in progress.

The dog should bring the bones.

The bones by it.

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)

Tea had been made by Nancy.

This is the example of...