how wh-adverbdoes verb, 3rd person singular presenta determinerbrand noun, singular or masspriding verb, gerund or present participleitself personal pronounon preposition or subordinating conjunctionquality noun, singular or masscontrol noun, singular or massgo noun, singular or massfrom preposition or subordinating conjunction5.9 cardinal numberto toover preposition or subordinating conjunction20 cardinal number% noun, singular or massin preposition or subordinating conjunctionservice noun, singular or mass