1. Articles: Define
1.1. Indefinite
1.1.1. An army, an advice
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1.2. Definite
1.2.1. The China, The Nile
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2. Interjections: Convey
2.1. Greetings
2.1.1. Hello! How are you?
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2.2. Suprise
2.2.1. Ah! I have won
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2.3. Joy
2.3.1. Wow! What a beautiful house
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2.4. Approval
2.4.1. Well done! You have done it
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2.5. Attention
2.5.1. Listen!
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2.6. Sorrow
2.6.1. Ouch! That hurts
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3. Conjunctions: Parts
3.1. Coordinating
3.1.1. For, and, neither
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3.2. Subordinating
3.2.1. After, although, unless
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3.3. Correlative
3.3.1. Not only, but also, neither
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4. Prepositions: Link
4.1. Place
4.1.1. In, on, at
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4.2. Time
4.2.1. In, on, at
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4.3. Movement
4.3.1. Towards, through, into
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5. Nouns: Name
5.1. Countable and Uncountable
5.1.1. Pen, book, girl chair, water, rice, etc
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5.2. Concrete
5.2.1. Car, dog, Richard, London
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5.3. Abstract
5.3.1. Drawback, fraction, holdout, uptake, joy, fiction
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5.4. Collective nouns
5.4.1. School, colony, class, brunch
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5.5. Compound
5.5.1. Myself, cowboy, boyfriend
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5.6. Possesive
5.6.1. Boy's ball, girl's ball, my friend's house
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5.7. Regular plural nouns
5.7.1. Cars, bags, pens
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5.8. Irregular plural nouns
5.8.1. Men, women, people
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6. Pronouns: Name
6.1. Possesive
6.1.1. Mine, yours, our
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6.2. Demonstrative
6.2.1. This, that, these
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6.3. Interrogative
6.3.1. Who, where, why
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6.4. Reciprocal
6.4.1. Each other, one another
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6.5. Reflexive
6.5.1. Myself, herself, himself
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7. Verbs: Denote
7.1. Regular
7.1.1. Walked, talked, cleaned
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7.2. Irregular
7.2.1. Shut, drink, break
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7.3. Linking
7.3.1. Appear, look, taste
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7.4. Transitive
7.4.1. Kicks, loves
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8. Adjectives: Describe
8.1. Descriptive
8.1.1. Some, few, many, several
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8.2. Quantitative
8.2.1. Italian pizza, American money
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8.3. Indefinite
8.3.1. Old, kind, fast, small
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8.4. Proper
8.4.1. Which, what, whose
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8.5. Demonstrative
8.5.1. Whole pizza, ten cents, two children
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9. Adverbs: Provide more information
9.1. Time
9.1.1. Tomorrow, yesterday
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9.2. Place
9.2.1. There, everywhere
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9.3. Manner
9.3.1. Quietly, fast
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9.4. Degree
9.4.1. Almost, completely
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9.5. Frequency
9.5.1. Every day, every week
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9.6. Comment
9.6.1. Luckily, happily
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