A main clause must contain a subject and a verb as well as express a complete thought.
Diane kicked the soda machine.
Diane = the subject; kicked = the verb.
A giant spider has made its home behind the shampoo bottle in
Neil's bathroom.
BEFORE AFTER WHEN
BECAUSE
After Diane kicked the soda machine.
Because a giant spider has made its home behind the
shampoo bottle in Neil's bathroom.
,
• After Diane kicked the soda machine,
Dependent clause
it fell on top of her.
Main Clause
1. We should wash our hands well
2. We should brush our teeth
people should brush their
hair.
• Unless my apartment is very, very, very small.