main clause
independent clause

In the above example the main clause is relativized.

A topic sets off background information that will be discussed in the following main clause.

Information may also be added after the main clause as a kind of 'afterthought'.

The check replied, The main clause may contain a verb in the passive voice.

It relies on a main clause to give it meaning.

The main clause makes sense on its own.

But the subject of the main clause is "the stalled car".

A conjunctive adverb is also used in a single main clause.

The subject of the main clause and the verb in the infinitive must be identical.

As for its word order, it differs in two things only from a main clause: