The phrase "She don't like to play cricket." exhibits a grammatical error in verb conjugation. Analysis:
Subject-Verb Concord: The subject "She" is a singular noun. Standard English grammar dictates that singular subjects necessitate singular verb forms.
The contraction "don't" signifies "do not." This form is suitable for plural subjects, as well as for "I" and "you." Nevertheless, for third-person singular subjects (he, she, it), the grammatically accurate verb form is "doesn't" (does not).
Proper Sentence Construction:
"She doesn't like to play cricket."
Consequently, the inaccuracy lies within the word "don't," which requires amendment to "doesn't" to ensure correct subject-verb concord.
Identify the part of the sentence that contains a grammatical error:
Each of the boys have submitted their assignment on time.