1. Look, there is a person coming.

2. Look, there is a person who is coming.
3. Look, there is a coming person.

(Does #1 mean #2 or #3? Is #2 and #3 grammatical?)

4. Look, here is a person coming.
(What is the difference between #1 and #4?)

#3 is NOT good. Essentially the rest say the same thing.

Sra

1. In the sentence, "Look, there is a person coming," the word "coming" is used as a present participle, indicating an ongoing action. It means that the person is currently in the act of approaching or moving towards the speaker or the location mentioned.

2. The sentence "Look, there is a person who is coming," is grammatically correct. It adds the relative pronoun "who" before the verb "is coming" to introduce additional information about the person. It implies that the person mentioned is actively in the process of approaching or moving towards the speaker or the location.

3. The sentence "Look, there is a coming person," is not grammatically correct. The word "coming" is misplaced in this sentence. Generally, "coming" is used as a present participle to describe an ongoing action, and it usually follows a noun or pronoun.

4. The sentence "Look, here is a person coming," is similar to the first sentence but adds the word "here" before "is a person coming." The addition of "here" suggests that the person is coming towards the location where the speaker currently is. This implies that the person is closer to the speaker's location compared to the person mentioned in the first sentence.

In summary, sentences 1, 2, and 4 are grammatically correct, while sentence 3 is not. The difference between sentence 1 and sentence 4 is that the inclusion of "here" in sentence 4 suggests that the person mentioned is closer to where the speaker is located.