Grammar Skills

Adverb Clauses of Purpose

Exercise 25

1.  For what purpose should you think about your intended major? 

-You should think about your intended major so that you can choose the best university with that major.

2.  For what purpose should you visit different universities'Web sites?

-You should visit different universities'Web sites in order to know which one you are interested in. 

3.  For what purpose should you think about your financial situation?
- You should think about your financial situation so that you can know if you need financial aid.

4.  For what purpose should you find out about financial aid?
-In order to know if you can receive any kind of financial help, you should find out about financial aid.

5.  For what purpose should you find out about part-time jobs?
- You should find out about about part-time jobs so that you can have extra money for your needs in college. 

Adverb Clauses of Cause

Exercise 26

1.  Biology systematically classifies living things.
-I like the study of biology because of its systematic classification of living things.
-Biology has a systematic classification, so I like it.
-Biology classifies living things thus I like it. 

2.  Biology explains the characteristics of living things.

-I like biology because of its explanation of the characteristics of living things.

-I like biology for its explanation of living things.

-Biology explains the characteristics of living things therefore, I like it.

3.  Biology explains the interdependence of living things.

-Biology explains the interdependence of living thins, so I like it.

-As a result of its explanation of the interdependence of living, I like biology.

4.  Biology encourages curiosity and research.

-Biology encourages curiosity and research, consequently I find it very interesting.

-Biology encourages curiosity and research, for this reason, I find it very interesting.

-I like biology because it encourages curiosity and research.

Correlative Conjunctions

Exercise 38

1.   Physics is classified as a physical science. Chemistry is classified as a physical science. (both, and)
- Both physics and chemistry are classified as physical sciences.

2.   We cannot classify mathematics as a biological science. We cannot classify psychology as a physical science. (neither, nor)
- We cannot classify neither mathematics as a biological science nor psychology as a physical science.

3.   Botany and zoology are normally considered biological sciences. They are generally requirements for a B.S degree. (not only, but also)
- Not only botany and zoology are considered biological sciences, but also they are generally requirements for a B.S degree.

4.   All liberal arts majors have to take two physical science courses. Instead, all liberal arts majors could take two biological science courses. (either, or)
- All liberal arts majors have to take either two physical or biological science courses.

5.   In order to graduate, all students in college must take certain required courses. They have to take some electives.
- In order to graduate, all students in college not only must take certain required courses, but also some electives.

Gerunds and Infinitives as Subjects

Exercise 39

1.      She takes a math course every semester. This is difficult.

·         Taking a math course every semester is difficult.

·         To take a math course every semester is difficult.

·         It is difficult to take a math course every semester.

2.      During the semester, she goes to class every day. This is a good idea.

·         Going to class every day during the semester is a good idea.

·         To go to class every day, during the semester, is a good idea.

·         Is a good idea to go to class every day during the semester.

3.      She takes notes as the professor does the sample problems on the board. This is useful.

·         Taking notes as the professor the sample problems on the board is useful.

·         To take notes as the professor does the sample problems on the board is useful.

·         Is useful to take notes as the professor does the sample problems on the board.

4.      She does the homework problems regularly. This takes time.

·         Doing the homework  problems regularly takes her time.

·         To do the homework problems regularly takes her time.

·         It takes her time to the homework  problems regularly.

5.      She turns the homework every day. This gives her a sense of satisfaction.

·         Turning the homework every day, gives her a sense of satisfaction.

·         To turn the homework every day gives her a sense of satisfaction.

·         It gives her a sense of satisfaction to turn the homework every day.

6.      She gets good grades. This is the best award.

·         Getting good grades is the best award for her.

·         To get good grades is the best award for her.

·         The best award for her is to get good grades.