Tablas de prestaciones de las cubiertas con tablero cerámico

• Singular subjects take singular verbs, and plural subjects take plural verbs.

• Abstract nouns, collective nouns, and verb forms acting as nouns are singular.

• Pronouns that end in -body, -one, or -thing are singular.

• The number is singular. A number is plural.

Pronouns

• Pronouns must agree in number with the nouns they replace.

• Pronouns must unambiguously refer to only one noun.

• Who is a subject pronoun. Whom is an object pronoun.

Tense

• The basic tenses are past, present, and future.

• Sentences should stay in one tense unless the action takes place at two different times.

Assignment 1

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Quick Quiz: Subjects and Verbs

The subjects are in italicized text, and the verbs are underlined.

1. What you see is what you get.

2. The unexamined life is not worth living.

3. Commuting by bicycle helps people enjoy the benefits of fresh air and exercise.

4. His courage as a pilot of a U2 spy plane earned Gary Powers a posthumous citation.

5. Made from a single log, a dugout canoe draws very little water.

6. Felicia and Tim went to the same high school.

Quick Quiz: Subject-Verb Agreement

The subjects are in italicized text, and the verbs are underlined.

1. Gloria and Calvin are no longer friends.

2. The number of times I have told you I do not want to go to the concert with you amazes me.

3. Samantha, in addition to Carrie, Charlotte, and Miranda, is going to the beach on Saturday.

4. Neither Mark nor his neighbors are able to open the doors to the patio.

5. Next month, Jack and Chrissy, along with Janet, are moving to the larger apartment upstairs.

6. Tom’s family is considering whether there are any affordable places to go on vacation in Europe.

7. Each of the boys is overwhelmed by the amount of work to be done.

8. Every one of the golf balls has been hit into the sand trap.

9. This sandwich is the only one of all the sandwiches made at the deli that is inedible.

10. Skiing is an example of a sport that is best learned as a child.

Quick Quiz: Pronoun Agreement

If a correction was needed, the original pronoun has been crossed out and replaced with the correct pronoun.

1. Each of the chefs makes their his own special dish. The pronoun here refers back to the noun each. You could also use her.

2. I still keep my diary and scrapbooks from childhood because they remind me of my youth. No error. They replaces both diary and scrapbooks.

3. A student must see their his advisor before turning in his thesis. The student must be male, because it is his thesis, therefore it must also be his advisor.

4. The person who stole my bicycle is a thief. No error. Who is the subject of the clause who stole my bicycle and is used correctly.

5. One should always look where he one is going when you one crosses the street. Be consistent.

6. In 1980, the Netherlands agreed to limit fishing in certain Atlantic Ocean beds, but in 1981, they it terminated the agreement. The Netherlands is a single country.

7. The flock of seagulls flew overhead before it swooped down and settled on the water.

No error. It agrees with the noun flock.

Quick Quiz: Verb Tense

The correct verb is underlined.

1. Yesterday afternoon clouds rolled in, the sky grew ominous, and thunder was heard in the distance. There is no reason to switch verb tense, and all the other verbs (rolled, grew) are in the past tense.

2. Before the union leadership even began salary negotiations, it had made up its mind to stand firm in its position. Past perfect is the correct tense here because, while both actions occurred in the past, one action (had made) occurred before the other.

3. The Boy Scouts love their new clubhouse, which they built themselves last summer.

Presumably they still love their clubhouse, so it’s okay to switch from the past tense to the present tense.

4. My new co-workers had been friendly to me until they learned my salary was

considerably higher than theirs. Past perfect is the best tense here because both events happened in the past, but one happened before the other.

5. Roberts already had finished the experiments by the time Fuller made the discovery in his own laboratory. Past perfect is the best tense here because both events

happened in the past, but one happened before the other.

6. Since 1980, several economies in developed nations have experienced declines and recoveries. Present perfect is the best tense because the declines began in the past and continue into the present.

7. The belief in vampires was first recorded in the early fifteenth century. The simple past is best here because the sentence describes an action in the past that has been completed.

8. By the time Spanish explorers first encountered them, the Aztecs had developed the calendar. Past perfect is the best tense here because both events happened in the past, but one happened before the other.

9. Unlike the brown sparrow, the passenger pigeon was slaughtered indiscriminately and became extinct in 1914. The simple past is best here because the sentence describes an action in the past that has been completed.

Assignment 1