257. Commas: Introductory expressions
1. Sometime, in the late 1980s the U.S. government began a plan to build a courthouse and office building in lower Manhattan.
Sometime in the late 1980s the U.S. government began a plan to build a courthouse and office building in lower Manhattan.
Sometime in the late 1980s, the U.S. government began a plan to build a courthouse and office building in lower Manhattan.
2. To get permission to build the government had to do an environmental impact study.
To get permission to build, the government had to do an environmental impact study.
To get permission to build the government, had to do an environmental impact study.
3. During this environmental impact study consultants discovered that the proposed building would be built on top of an African slave burial ground.
During this, environmental impact study consultants discovered that the proposed building would be built on top of an African slave burial ground.
During this environmental impact study, consultants discovered that the proposed building would be built on top of an African slave burial ground.
4. After an outside team of archaeologists concluded, that most of the burial ground had already been destroyed by previous construction the building went ahead.
After an outside team of archaeologists concluded that most of the burial ground had already been destroyed by previous construction, the building went ahead.
After an outside team of archaeologists concluded that most of the burial ground had already been destroyed by previous construction the building went ahead.
5. But once construction was under, way workers uncovered a large burial ground with more than four hundred bodies.
But once construction was under way, workers uncovered a large burial ground with more than four hundred bodies.
But once, construction was under way workers uncovered a large burial ground with more than four hundred bodies.
6. Naturally, the construction was immediately stopped.
Naturally the construction, was immediately stopped.

Naturally the construction was immediately stopped.
7. Now, a research team at Howard University is gaining insights into the lives and struggles of those buried there.
Now a research team, at Howard University is gaining insights into the lives and struggles of those buried there.
Now a research team at Howard University is gaining insights, into the lives and struggles of those buried there.
8. At a public, lecture Dr. Michael L. Blakey, director of the African Burial Ground
Collection at Howard University, discussed the history of the cemetery.
At a public lecture, Dr. Michael L. Blakey, director of the African Burial Ground
Collection at Howard University, discussed the history of the cemetery.
At a public lecture Dr. Michael L. Blakey, director of the African Burial Ground
Collection at Howard University, discussed the history of the cemetery.
9. According, to Dr. Blakey the burial ground is the largest African cemetery in
North America.
According to Dr. Blakey the burial ground is the largest African cemetery in North
America.
According to Dr. Blakey, the burial ground is the largest African cemetery in
North America.
10. Along with his team of researchers, Dr. Blakey is trying to answer questions about the lives of the people buried there.
Along with his team of researchers Dr. Blakey is trying to answer questions about the lives of the people buried there.
Along, with his team of researchers Dr. Blakey is trying to answer questions about the lives of the people buried there.