compound complex sentences

A compound-complex sentence has two or more main (or independent)
clauses and at least one subordinate (or dependent) clause.

➲ After the winds ceased, the children went outside to play, and their
parents started to rake the leaves.
The main (or independent) clauses are ‘‘the children went outside to play’’
and ‘‘their parents started to rake the leaves.’’
The subordinate (or dependent) clause is ‘‘After the winds ceased.’’
➲ These maintenance workers who are cleaning up the park after last
night’s concert are my friends, and they are willing to work overtime
to complete the task.
The main (or independent) clauses are ‘‘These maintenance workers are my
friends’’ and ‘‘they are willing to work overtime to complete the task.’’
The subordinate (or dependent) clause is ‘‘who are cleaning up the park after
last night’s concert.”