Question

Tell me.{Please}
What is the main thing to consider while joining the sentences using relative clauses.
....[(Simply tell me that if we are give a sentence which are shown below .........Join these using relative clauses.Tell me mains thing which i consider ,in these cases)]
1.Here is the book.You were asking for the book.
2.The boy is my cousin .You see him there.
Answer=5 thanks +following.
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Answer 1

1) here is the book that you were asking for the book

2) the boy is my cousin and you see him there

Answer 2

Answer:

1. Here is the book that you were asking for.

2. The boy who you see there is my cousin.

@faiz in the first sentence, the relative pronoun that i have used is "that"

and in the second sentence the relative pronoun that i have used is "who"

to put it plainly, you have to use relative pronouns who, which, what ,how to join the sentences.

We have this as pronom rélatif composés in french too so i was basically studying the same thing, only revising.