Lesson List Từ điển

Unit 1: Complete and Incomplete Sentences

Unit 2: Types of Sentences

Unit 3: Simple and Complete Subjects and Predicates

Unit 4: Common Nouns

Unit 5: Common and Proper Nouns

Unit 6: Plural Nouns

Unit 7: More Plural Nouns

Unit 8: Singular Possessive Nouns

Unit 9: Plural Possessive Nouns

Unit 10: Subject and Object Pronouns

Unit 11: Complete Sentences and End Punctuation Review

Unit 12: Common and Proper Nouns Review

Unit 13: Singular and Plural Nouns Review

Unit 14: Possessive Nouns Review

Unit 15: Subject and Object Pronouns Review

Unit 16: Action Verbs

Unit 17: Linking Verbs

Unit 18: Helping Verbs

Unit 19: Past, Present, and Future Tense Verbs

Unit 20: Perfect Tense Verbs

Unit 21: Irregular Verbs

Unit 22: Progressive Verbs

Unit 23: Transitive Verbs

Unit 24: Intransitive Verbs

Unit 25: Subject and Verb Agreement

Unit 26: Action Verbs Review

Unit 27: Linking and Helping Verbs Review

Unit 28: Verb Tenses Review

Unit 29: Verb Forms Review

Unit 30: Subject and Verb Agreement Review

Unit 31: Adjectives

Unit 32: Comparative and Superlative Adjectives

Unit 33: Irregular Comparative and Superlative Adjectives

Unit 34: Adverbs

Unit 35: More Adverbs

Unit 36: Adverbs without -ly

Unit 37: Synonyms

Unit 38: Antonyms

Unit 39: Homophones

Unit 40: Adjectives Review

Unit 41: Comparative and Superlative Adjectives Review

Unit 42: Adverbs Review

Unit 43: Synonyms and Antonyms Review

Unit 44: Homophones Review

Unit 45: Conjunctions

Unit 46: Compound Subjects

Unit 47: Compound Predicates

Unit 48: Prepositions and Prepositional Phrases

Unit 49: Dependent Clauses

Unit 50: Independent Clauses

Unit 51: Commas

Unit 52: Compound Sentences

Unit 53: Complex Sentences

Unit 54: Compound-Complex Sentences

Unit 55: Conjunctions Review

Unit 56: Compound Subjects and Compound Predicates Review

Unit 57: Prepositions and Prepositional Phrases Review

Unit 58: Dependent and Independent Clauses Review

Unit 59: Compound, Complex, and Compound-Complex Sentences Review

Unit 60: Appositives

Unit 61: More Uses for Commas

Unit 62: Quotation Marks

Unit 63: Contractions

Unit 64: Abbreviations

Bài học: Abbreviations

Luyện tập: Abbreviations

Unit 65: Semicolons

Unit 66: Colons

Unit 67: Word Usage: Sit or Set

Unit 68: Word Usage: Lie or Lay

Unit 69: Word Usage: Your or You’re

Unit 70: Appositives Review

Unit 71: Commas and Quotations Review

Unit 72: Contractions and Abbreviations Review

Unit 73: Colons and Semicolons Review

Unit 74: Word Usage Review

Unit 75: Interjections

Unit 76: Articles

Unit 77: Prefixes

Unit 78: Suffixes

Unit 79: More Prefixes

Unit 80: More Suffixes

Unit 81: Greek Root Words

Unit 82: Latin Root Words

Unit 83: Spelling Patterns and Exceptions

Unit 84: More Spelling Patterns and Exceptions

Unit 85: Negatives

Unit 86: Interjections and Articles Review

Unit 88: Suffixes Review

Unit 89: Greek and Latin Root Words Review

Unit 91: Negatives Review

Unit 92: Review of the Eight Parts of Speech

Unit 93: Applying Punctuation Knowledge

Unit 94: Applying Punctuation and Word Usage Knowledge

Unit 96: Adjectives, Adverbs, and Verb Tenses Review

Unit 97: Sentence Structure Review: Simple and Compound Sentences

Unit 98: Dependent Clauses and Sentence Structure

Luyện tập: Abbreviations

Unit 64: Abbreviations

Understanding Abbreviations

An abbreviation is a shortened form of aword or phrase used to save space and time in writing. Most abbreviations beginwith a capital letter and end with a period, especially when they refer to proper nouns like titles, days, months, or specific places. Understanding how to correctly write these short forms is an essential grammar skill for clear communication.

Common Types of Abbreviations:

Titles: Titles beforenames are almost always abbreviated. For example, Mister becomes Mr., Mistress becomes Mrs., and Doctor becomes Dr.. Professional and political titlesalso follow this rule, such as Senator becoming Sen. and Captain becoming Capt..
Addresses: Words used in street addresses are shortened onenvelopes and maps. Street becomes St., Avenue becomes Ave., Boulevard becomes Blvd., and Highway becomes Hwy..
Time and Dates: The days of the week (e.g., Mon., Tues., Wed.) and months of the year (e.g., Jan., Feb., Aug.) are often abbreviated in notes and calendars. Note that some short months like May, June, and July are often written in full.

Exercise 1: Matching Titles

Draw a line or write the correct letter to match the full title with its correct abbreviation.

1. Mister ______

2. Doctor ______

3. Junior ______

4. Senior ______

5. Senator ______

6. Captain ______

7. Mistress ______

8. Reverend ______

Exercise 2: Address Abbreviations

Write the correct abbreviation for the underlined word in each address line. Remember to use a period.

123 Maple Street : __________
45 Ocean Boulevard : __________
99 Sunset Avenue : __________
Route 66 Highway : __________
10 Lincoln Road : __________
55 Emerald Court : __________
88 Village Square : __________
North Drive : __________

Exercise 3: Days ofthe Week

Provide the correct abbreviation for each day listed below.

1. Sunday : __________

2. Monday : __________

3. Tuesday : __________

4. Wednesday : __________

5. Thursday : __________

6. Friday : __________

7. Saturday : __________

8. Weekend (general abbreviation for Saturday/Sunday) :__________

Exercise 4: Months of the Year

Write the standard abbreviation for the following months. If a month is not typically abbreviated, write “None”.

1. January : __________

2. February : __________

3. August : __________

4. September : __________

5. October : __________

6. November : __________

7. December : __________

8. April : __________

Exercise 5: Identify the Abbreviation

Circle or underline the abbreviation in each sentence.

We visited Dr. Jones for a checkup.
The store is located on Fifth Ave. near the park.
Mr. Gregorino opened his store in 1924.
Please deliver this to Mrs. Chang immediately.
The meeting is scheduled for Tues. morning.
They asked Sen. Miller for political advice.
Capt. Pullman stood on the deck of the ship.
My birthday is in Dec. this year.

Exercise 6: Choose the Correct Form

Select the correctly written abbreviation for each item.

Doctor: (a) doc. (b) Dr. (c) dr (d) Dtr.
Street: (a) St. (b) str. (c) St (d) st.
November: (a) Nvb. (b) Nov. (c) nov. (d) Nvm.
Junior:(a) jnr. (b) Ju. (c) Jr. (d) jr.
Tuesday: (a) Tu. (b) Te. (c) Tues. (d) Tsd.
Highway: (a) Hiwy. (b) Hw. (c) hwy. (d) Hwy.
Boulevard: (a) Boul. (b) Blvd. (c) Bvd. (d) blvd.
Captain: (a) Cpt. (b) Cap. (c) Capt. (d) Cp.