• Enough is placed before singular uncountable nouns and plural countable nouns in a sentence.

EXAMPLE: She has not enough olive oil to cook her favourite dish.
EXAMPLE: There aren't enough chairs for everyone, so I sit on the floor.

• We put enough after adjectives and adverbs in a sentence.

EXAMPLE: We think she is beautiful enough to win the beauty contest.
EXAMPLE: I couldn't pluck those pears as I couldn't jump high enough.