Letters represent sounds. Words are built from letters. A group of words makes a phrase. Add a subject and verb, and you have a clause. If that clause expresses a complete thought, we call it a ...

This makes the two ideas equal in the sentence - if you take away one part of it, you are left with a simple sentence again. These are very common when speaking and they are not difficult to ...

A simple sentence is built from the minimum of a subject and a main verb. It can be very short in length (but doesn't have to be): 'The angry dog barks.' It puts across one simple idea: 'Rebecca sang.