Looking at word order in subordinate clauses.

Click the selected answer; there are several correct answers.

1.   A subordinate clause may stand alone.
2.   A main clause may stand alone.
3.   A main clause is independent of other sentences.
4.   A subordinate clause always has normal word order.
5.   A main clause always has normal word order.
6.   A subordinate clause has inversion if it comes after a main clause.
7.   A main clause has inversion if it comes after a subordinate clause.