1. Inside means within something else.

Pattern: verb + noun + inside + noun
There are some little toy animals inside the box.
She put the money inside the envelope.

2. Inside (adverb) means indoors, within a building.
It started to rain, so we went inside.

Fact
Five Jell-O flavors that flopped: celery, coffee, cola, apple, andchocolate.      .. More >>