from Luis, Ingrid, Guillermo and Sandra

Alfredo come from Mexico to the U.S. of America, because crisis Mexico in 1970, and he was very poor.

"Come" should be past form, "came."

"the U.S. of America" is a mix of forms.

There are three corrections possible.

1. the U.S.A.

2. The United States of America

3. the U.S.


There should not be a comma (,) before "because"

because crisis Mexico

changes to: there was an economic crisis in Mexico

Alfredo came from Mexico to the U.S. because there was an economic crisis in Mexico in 1970, and he was very poor.

When he was five years old, he was worked with his father, in gas station.

Thee should not be a comma after father.

The verb "work" should be "simple past tense"

He worked.

There should be an "indefinite article" (a or an) before "gas station."

When he was five years old, he worked with his father in a gas station.

Alfredo was an ilegaly farm worker and he didn't speak english.

"illegally" is an adverb. "Illegal" is an adjective modifying the "noun phrase" "farm worker."

There should be a comma before "and."

English is the name of a language and should begin with a "capital letter."


Alfredo was an illegal farm worker, and he didn't speak English.

When he was 18 years old, he studied in community college ESL english.


There should be an indefinite article before "community college."

a community college.

ESL is English as a Second Language, so ESL ENGLISH is repetitive.

The place usually comes after the "verb" and object" (verb= studied, object= ESL
place= in a community college


studied ESL in a community college


When he was 18 years old, he studied ESL in a community college.



A teacher said to Alfredo, find a scholarships in Berkeley University, where Alfredo developed a passion for the scientific method.

There should be quotation marks " " around the spoken part.

Scholarships should be singular, scholarship

Berkeley is a college, not a university. It is part of the University of California, as LaGuardia is part of the City University of New York (CUNY)


University of California, Berkeley


A teacher said to Alfredo, "You should find a scholarship at the University of California, Berkeley," where Alfredo developed a passion for the scientific method.

After he went to Harvard Medical Center and he received his U.S. citizen.

"After" should be "after that," or "afterward,"

Harvard Medical Center should be Harvard Medical School.

A citizen is a person. The status is citizenship.


Afterward,  he went to Harvard Medical School and he received his U.S. citizenship.


Now, Alfredo is a neurosurgery and teacher in John's Hopkins University.

There shouldn't be an apostrophe (') in Johns

"neurosurgery" is a medical procedure. The doctor who practices it is a "neurosurgeon."


Now, Alfredo is a neurosurgeon and teacher at Johns Hopkins University.