There are different teachers for each subject.

Question

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Q1. How do you pronounce "subject."
In the second syllable, is it pronounced /i/ or/e/?

Q2. What is the part of speech of 'for each subject'? Is it an adjective phrase or an advervial phrase?

Q3: What is the meaning of 'for'? Does 'for' mean 'about'? What other prepositions can we use instead of 'for' in this sentence?

Answer 1

1. The first syllable is stressed. SUB ject. The pronunciation varies between /i/ and /e/.

2. It's an adjective phrase.

3. Another preposition could be "in."

Answer 2

1. There are different teachers for each subject in middle school.

2. There are different teachers who teache each subject in middle school.

3. There are different teachers to teach each subject in middle school.
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Thank you for your help. Are the three sentences grammatical and the same to the previous sentence?

Answer 3

2 is not used. The first and third are common.