This excerpt includes 10 grammatical errors, each having to do with a verb conjugation. The error could be the helping or the main verb in a clause: The U.S. Congress passes legislation to establish a federally funded health insurance program for aged persons in 1965. Title XVIII of the Social Security Act, also known as Medicare, is being made into law by President Lyndon B. Johnson. The first recipient of Medicare benefits was former President Harry S. Truman, who receives his card at the bill-signing ceremony. Medicare soon becomes the larges single healthcare payer in the United States. Currently, Medicare has provided coverage for more than 40 million Americans. Many expected enrollment in Medicare to almost double by 2031. This increase was partly because of the huge generation of baby boomers, who begins to turn 65 in 2010. But Medicare itself expands as well. Initially, Medicare coverage was only available to American citizens over the age of 65, but recently coverage is extending to many other with long-term conditions.

This excerpt includes 10 grammatical errors, each having to do with a verb conjugation. The error could be the helping or the main verb in a clause: passed – past tense was – past tense received – past tense is – present tense provides – present tense expected– future tense will occur in the future. "Will" is a present-tense modal and cannot coexist with a future verb form. In addition to being used to describe the agreement of two elements of a sentence, pronouns can also be used as descriptors, giving information about nouns that precede them. For example, "the large elephant," which gives information about what kind of animal is being described.

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I have broken the passage down sentence-by-sentence, with an explanation beneath each of the words requiring corrections identified with italics.

The U.S. Congress passes legislation to establish a federally funded health insurance program for aged persons in 1965.

In this sentence, "passes" needs to be changed to past tense,"passed," since...

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I have broken the passage down sentence-by-sentence, with an explanation beneath each of the words requiring corrections identified with italics.

The U.S. Congress passes legislation to establish a federally funded health insurance program for aged persons in 1965.

In this sentence, "passes" needs to be changed to past tense,"passed," since the context is historical (in 1965).

Title XVIII of the Social Security Act, also known as Medicare, is being made into law by President Lyndon B. Johnson.

In this sentence, "is" needs to be changed to past tense,"was," since the context is historical (during Johnson's presidency).

The first recipient of Medicare benefits was former President Harry S. Truman, who receives his card at the bill-signing ceremony.

In this sentence, "receives" needs to be changed to past tense,"received," since the context is historical (during Johnson's presidency).

Medicare soon becomes the largest single healthcare payer in the United States.

In this sentence, "becomes" needs to be changed to past tense,"became," since the context is historical.

Currently, Medicare has provided coverage for more than 40 million Americans.

In this sentence, the verb phrase "has provided" needs to be changed to present tense,"provides," since the context is present, denoted by the word "currently."

Many expected enrollment in Medicare to almost double by 2031.

In this sentence, the verb "expected" needs to be changed to future tense,"expect," since the context is the future, denoted by the year "2031."

This increase was partly because of the huge generation of baby boomers, who begins to turn 65 in 2010.

This sentence has two errors. The increase is projected, meaning it will occur in the future, whereas "was" is a past tense verb; "was" needs to be replaced by "is." The second error is the verb tense of "begins," which needs to be changed to "began" since 2010 is in the past.

But Medicare itself expands as well.

In this sentence, the verb "expands" needs to be changed to past tense,"has expanded," since the context is the past.

Initially, Medicare coverage was only available to American citizens over the age of 65, but recently coverage is extending to many other with long-term conditions.

In this sentence, the verb phrase "is extending" needs to be changed to past tense,"has extended," since the context is the past, denoted by the word "recently."

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Verb conjugation describes the process by which one changes, or conjugates, the form of a verb’s infinitive based on the subject of a sentence and tense.

The following errors are all tense shift problems as opposed to subject-verb agreement errors. Due to the construction of the passage, the writer must use a mix of present, past, and past perfect tenses. The errors occur in places where the writer used the wrong verb tense.

Below, I have corrected each verb tense error, as indicated by the use of italics.

The U.S. Congress passed legislation to establish a federally funded health insurance program for aged persons in 1965. Title XVIII of the Social Security Act, also known as Medicare, was made into law by President Lyndon B. Johnson. The first recipient of Medicare benefits was former President Harry S. Truman, who received his card at the bill-signing ceremony. Medicare soon became the largest single healthcare payer in the United States. Currently, Medicare provides coverage for more than 40 million Americans. Many expect enrollment in Medicare to almost double by 2031. This increase is partly because of the huge generation of baby boomers, who began to turn 65 in 2010. But Medicare itself has expanded as well. Initially, Medicare coverage was only available to American citizens over the age of 65, but recently coverage was extended to many others with long-term conditions.

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For this question, I will bold each error. Then, at the bottom, I will provide a correction for this error. 

The U.S. Congress passes legislation to establish a federally funded health insurance program for aged persons in 1965. Title XVIII of the Social Security Act, also known as Medicare, is being made into law by President Lyndon B. Johnson. The first recipient of Medicare benefits was former President Harry S. Truman, who receives his card at the bill-signing ceremony. Medicare soon becomes the largest single healthcare payer in the United States. Currently, Medicare has provided coverage for more than 40 million Americans. Many expected enrollment in Medicare to almost double by 2031. This increase was partly because of the huge generation of baby boomers, who begins to turn 65 in 2010. But Medicare itself expands as well. Initially, Medicare coverage was only available to American citizens over the age of 65, but recently coverage is extending to many others with long-term conditions.

  1. passes: "The U.S. Congress passed legislation"
  2. is being: "known as Medicare, was made into law"
  3. receives: "who received his card"
  4. becomes: "Medicare soon became the largest single healthcare payer"
  5. has provided: "Medicare provides coverage"
  6. expected: "Many expect enrollment"
  7. was: "This increase is partly because of the huge generation of baby boomers"
  8. begins: "who began to turn 65 in 2010"
  9. expands: "Medicare itself has expanded"
  10. is extending: "coverage was extended to many others"
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