ADJ on n
ADJ on n
The adjective is followed by a prepositional phrase which consists of on and a noun group. With some adjectives, the preposition on is sometimes followed by an '-ing' clause or a wh-clause. These patterns are ADJ on -ing and ADJ on wh.Some adjectives are sometimes followed by upon instead of on. Upon is a more formal or literary word.| Adjective | on/upon | noun group/-ing/wh clause | |
|---|---|---|---|
| The sale was | conditional | upon | government approval. |
| Mobility isn't | dependent | on | being able to drive. |
| Tea-tree oil is | gentle | on | the skin. |
| They were both | keen | on | the idea of education. |
| He was | undecided | on | whether to run for another term. |