Graded and ungraded adjectives
Pattern 13: ADJ enough n to-inf
The adjective is followed by enough, a noun, and a to-infinitive clause. The to-infinitive clause indicates an action that is possible.
Few of them speak good enough English to take part in the workshops.
They had a healthy enough budget to make it through the year.
There are other substances that we can make but not in large enough amounts to ensure optimum health.