It + be + S/O/ADV Phrase .. + that / who / whom + S+  V : câu chẻ 

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Although + clause, clause: mặc dù 

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4. Although some people develop health problems, they continue to drink too much.

5. It is my neighbors who always make noise at night.

6. It was her student whom the teacher gave a lovely notebook.

7. It was Kate whom Jane met at my birthday party.

8. It was a bunch of rose that you gave her last week.

`color{orange}{~MiaMB~}`

4 Although some people develop health problems, they continue to drink too much

Although + S + V , S + V

5 It is my neighbors who always make noise at night

It + be + S + (who/that..) + V 

6 It was her student whom the teacher gave a lovely notebook

It + be + O + (who/that..) + S + V...

7 It was Kate whom Jane met at my birthday party

It + be + O + (who/that..) + S + V...

8 It was a bunch of rose that you gave her last week

It + be + O + that + S + V...