Question 1

What is the main difference between good and well?

Accepted Answer

Good is usually an adjective, so it describes a noun, person, thing, or state. You can say "a good book", "a good teacher", or "your English is good". Well is usually an adverb, so it describes how someone does something: "she sings well", "he slept well", and "they behaved well". If the sentence is about quality, good is often right. If it is about performance or manner, well is often right. This exercise repeats that contrast in everyday school, work, music, sport, and travel contexts.

Question 2

Why do we say feel well and feel good?

Accepted Answer

Both can be correct, but they do not always mean the same thing. "I do not feel well" usually refers to health; the speaker may be ill or unwell. "I feel good" often refers to mood, confidence, or satisfaction: "I feel good about the exam results." In informal English, some speakers also use feel good for general physical comfort, but learners should know the health use of well because it appears in exercises and exams. Look for clues such as illness, recovery, or "get well soon".

Question 3

Should I say did good or did well?

Accepted Answer

In standard English, use "did well" when you mean performed successfully: "He did well in the interview" or "She did well on the test." Well is an adverb describing the action did. "Did good" can appear informally in some varieties of English, and it can mean "did kind or helpful things", but it is not the expected answer for performance in this grammar exercise. If the sentence is about results, skill, behaviour, or management, choose well unless the word clearly describes a noun.

Good vs Well

Quick Rule

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Adjective or Adverb? - Easy

Adjective or Adverb? - Intermediate

Adjective or Adverb? - Advanced

-ed vs -ing Adjectives

Conditionals

Present Perfect