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517.1 for, fore, four
For is a preposition; it is also a conjunction meaning “because.” Fore means “in front,” and four is the number.
A suite of practices for saving the planet have come to the fore—sustainable living.
The four hikers needed a compass, for they were lost.
517.2 good, well
Good is an adjective; well is nearly always an adverb.
Damita looked good in the trials and ran well in the afternoon meet.
(The adjective good modifies Damita; and the adverb well modifies ran.)
When used in writing about health, well is an adjective.
Yesterday she wasn’t feeling well.