Usage patterns
通常は〈事〉normally, ...; usually, ...
We normally open at 9 o'clock.
通常の〈物〉the usual/standard (item, procedure, etc.)
Please follow the usual procedure.
通常より〈形容詞〉more ~ than usual
It's more crowded than usual today.
Expressions
通常ならusually; normally; under normal circumstances