Black Inventors and Verb Tenses

What change should be made in Sentence 1?

(1) Known as a “human computer,” Dorothy Johnson Vaughan were part of a team that did mathematical calculations to help launch satellites into space. (2) The group used math to help engineers figure out how wind and gravity affects aircrafts.

What change should be made in Sentence 1?

• Change were to was.

• Change were to is.

• Change were to are.

• No change is needed.

What change should be made in Sentence 2?

(1) George Washington Carver was an agricultural chemist who discovered alternative farming methods. (2) He teaches farmers to rotate crops (or plant different crops each year) so that the soil stayed healthy. (3) Carver also discovered many different uses for the peanut. (4) Among the products Carver will develop from peanuts were soap, face powder, mayonnaise, shampoo, metal polish, and adhesives.

What change should be made in Sentence 2?

• Change teaches to teached.

• Change teaches to teach.

• Change teaches to taught.

• No change is needed.

What change should be made in Sentence 4?

(1) George Washington Carver was an agricultural chemist who discovered alternative farming methods. (2) He teaches farmers to rotate crops (or plant different crops each year) so that the soil stayed healthy. (3) Carver also discovered many different uses for the peanut. (4) Among the products Carver will develop from peanuts were soap, face powder, mayonnaise, shampoo, metal polish, and adhesives.

What change should be made in Sentence 4?

• Change will develop to develops.

• Change will develop to developed.

• Change will develop to developing.

• No change is needed.

What change should be made in Sentence 2?

(1) Mark Dean is an inventor and a computer engineer. (2) He are one of the original inventors of the IBM personal computer and the color PC monitor. (3) He is also responsible for creating the technology that allow devices, such as keyboards, mice, and printers to be plugged into a computer and communicate with each other.

What change should be made in Sentence 2?

• Change are to is.

• Change are to were.

• Change are to am.

• No change is needed.

What change should be made in Sentence 3?

(1) Mark Dean is an inventor and a computer engineer. (2) He are one of the original inventors of the IBM personal computer and the color PC monitor. (3) He is also responsible for creating the technology that allow devices, such as keyboards, mice, and printers to be plugged into a computer and communicate with each other.

What change should be made in Sentence 3?

• Change allow to allowing

• Change allow to allows.

• Change plugged to plugs.

• No change is needed.

What change should be made in Sentence 1?

(1) Sarah Breedlove Walker was an inventor and businesswoman, and become one of the largest employers of African-American women of her time.

(2) Often known as Madame C.J. Walker, she manufactured beauty products for other African-American women using formulas she develops after working for a pharmacist who taught her chemistry. (3) Her popular hair-softening cream and shampoo help heal dry skin and other itchy annoyances that were common in the early 1900s because indoor plumbing wasn’t widely available.

What change should be made in Sentence 1?

• Change become to became.

• Change become to becomed.

• Change become to becoming.

• No change is needed.

What change should be made in Sentence 2?

(1) Sarah Breedlove Walker was an inventor and businesswoman, and become one of the largest employers of African-American women of her time.

(2) Often known as Madame C.J. Walker, she manufactured beauty products for other African-American women using formulas she develops after working for a pharmacist who taught her chemistry. (3) Her popular hair-softening cream and shampoo help heal dry skin and other itchy annoyances that were common in the early 1900s because indoor plumbing wasn’t widely available.

What change should be made in Sentence 2?

• Change develops to develop.

• Change develops to developed.

• Change develops to developing.

• No change is needed.

What change should be made in Sentence 3?

(1) Sarah Breedlove Walker was an inventor and businesswoman, and become one of the largest employers of African-American women of her time.

(2) Often known as Madame C.J. Walker, she manufactured beauty products for other African-American women using formulas she develops after working for a pharmacist who taught her chemistry. (3) Her popular hair-softening cream and shampoo help heal dry skin and other itchy annoyances that were common in the early 1900s because indoor plumbing wasn’t widely available.

What change should be made in Sentence 3?

• Change help to will help.

• Change help to helps.

• Change help to helped.

• No change is needed.

What change should be made in Sentence 3?

(1) Dr. Patricia Bath was born in Harlem in 1942. (2) She developed an interest in science early in her life. (3) She attended medical school at Howard University and became an ophthalmologist, or eye doctor. (4) In 1981, Patricia invents a tool called the Laserphaco Probe. (5) The tool was used during eye surgery to correct cataracts, which is an eye condition that clouds vision and can lead to blindness. (6) Patricia Bath's tool helped cataract surgery become more precise and less risky.

What change should be made in Sentence 3?

• Change attended to attends.

• Change attended to attend.

• Change attended to will attend.

• No change is needed.

What change should be made in Sentence 4?

(1) Dr. Patricia Bath was born in Harlem in 1942. (2) She developed an interest in science early in her life. (3) She attended medical school at Howard University and became an ophthalmologist, or eye doctor. (4) In 1981, Patricia invents a tool called the Laserphaco Probe. (5) The tool was used during eye surgery to correct cataracts, which is an eye condition that clouds vision and can lead to blindness. (6) Patricia Bath's tool helped cataract surgery become more precise and less risky.

What change should be made in Sentence 4?

• Change invents to invent.

• Change invents to invented.

• Change attended to will invent.

• No change is needed.