skill 16-19

SKILL 16 PAST PARTICIPLES AFTER HAVE
EXERCISE 16 : Each of the following sentences contains a verb formed with have. Underline the verbs. Then indicate if the sentences are correct ( C ) or incorrect ( I ).

I 1. We have already hearing the good news.
C 2. She has ridden her bicycle to school every day.
I 3. I have always believe you.
I 4. He has find the missing car keys.
C 5. They have put their money in a savings account.
C 6. Their parents have allowed them to stay up late.
I 7. She has never ran away from home before.
I 8. Have you ever saw a ghost?
C 9. They have taken three tests already thia week.
I 10. He has offer me a high-paying job.

SKILL 17 PRESENT PARTICIPLES OR PAST PARTICIPLES AFTER BE
EXERCISE 17 : Each of the following sentences contains a verb formed with be. Underline the verbs. Then indicate if the sentences are correct (C) or incorrect (I).

I 1. She was study the textbooks all nigth long.
C 2. The pie was cut into six equal pieces.
I 3. Today the teacher is allow the students to leave class a few minutes early.
I 4. The class is teach every other semester.
C 5. Tom is bringing some drinks to the party.
C 6. The sick child was taken to see a doctor.
I 7. The children are swim in the backyard pool.
I 8. The diamond jewelry is always keep in a safe place.
C 9. The teacher is preparing a difficult exam for the students.
C 10. Dinner is served from 6:00 t0 8:00.

SKILL 18 BASE FORM AFTER MODALS
EXERCISE 18 : Each of the following sentences contains a verb formed with modal. Underline the verbs. Then indicate if the sentences are correct ( C ) or incorrect ( I ).

C 1. You should try to respond politely.
I 2. Everyone must leaves the room immediately.
I 3. I could sat on the beach for hours.
I 4. She will asking you many difficult questions.
C 5. You can look at the book, but you cannot borrow it.
I 6. He may lies to you because he is not very truthful.
I 7. He knew that he would forgot the phone number.
I 8. The weatherman said that it might snowing tonight.
I 9. Perhaps we could bought a new car this year.
C 10. This course will satisfy the garduation requirement.

EXERCISE (Skiil 16-18) : Each of the following sentences contains a verb formed with several parts.. Underline the verbs. Then indicate if the sentences are correct ( C ) or incorrect ( I ).

I 1. We have became good friends in the last year.
C 2. Your name will be list in yhe new directory.
I 3. The new movie is receive good reviews.
C 4. She must have feel story about her bad behavior.
C 5. They must always given their family many presents.
I 6. We may be taking a vacation next week.
I 7. We could have taking a vacation last week.
I 8. The package might have been deliver by an express mail service.
I 9. I have not wrote very many letters to my friends.
C 10. The car should not have be drive anymore yesterday.

TOEFL EXERCISE (Skills 16-18) : Choose the letter of the underline word or group of words that is no correct.

A 1. By the 1920s, many radio transmitters had been build.
A B C D

C 2. Fish farming has rose in the United Stated in recent years.
A B C D
C 3. In areas of volcanic activity, beach sand may contains dark minerals and little
A B C D
quartz.
A 4. Cro-Magnon man was names after the caves I southwest France where the first
A B
remains were discovered.
C D
B 5. Lassie, the famous collie who made her first screen appearance in 1943, has
A B
always be played by a male dog.
C D
B 6. A blue bigwig lizard stakes out a territory and will defending females within it
A B C
againts courting males.
D
C 7. President George Washington was inaugurates on the steps of the Federal
A B C
Buliding in New York City.
D
A 8. By 1627, Plymouth had became a viable and growing communinty of fifty
A B C
families, twenty-two goats, fifteen cows, and more than fifty pigs.
D

A 9. Tobacco was the crop on which the eminence of Williamsburg and the
A B
prosperity of Virginia were base.
C D
C 10. Because there may be scores of genes in each suspect DNA region, scientists
A
must identifying and sequance the actual genes contributing to type I diabetes.
B C D

TOEFL REVIEW EXERCISE (Skills 1-15) : Choose the letter of the word or group of words that the best completes the sentences.

1. The Pasific Ocean has the deepest valleys and canyons on the Earth.
2. In the United States, yhe participation of females in the labor force jumped from 37 percent in 1965 to 51 percent in 1980.
3. Some composers, such as Richard Wagner, have felt that areas of interrution the action of the opera too much and have written operas without them.
Choose the letter of the underline word or group of the words that is not correct.

A 4. Water stored behind a dam can used to drive turbines.
A B C D
C 5. Our universe may continue to expand as it gets colder, empty, and deader.
A B C D
D 6. Every form of matter in the world are made up of atoms.
A B C D
C 7. The lens and cornea are supply with nutrients and oxygen by the aqueous fluid.
A B C D
D 8. Dodge City, laid out in 1872, owed both its prosperity and its famous to the
A B
buffalo in its early years.
C D
D 9. The amount of the two kinds of cholesterol in the blood have been shown to
A B C
have an effect on the risk of heart attack.
D
B 10. By the time North Webster reached his mid-twenties, he had already publish
A B C
an elementary speller.
D

SKILL 19 SINGULAR AND PLURAL NOUNS
EXERCISE 19 : Each of the following sentences contains at least one key word to tell you if a noun shuold be singular or plura. Bold the key words to the nouns they describe. Then indicate if the sentences are correct ( C ) or incorrect ( I ).

I 1. She talked to each people in the room.
C 2. There is not a single bit of food in the refrigerator.
I 3. You need two piece of identification to cash a check.