I. Relative Pronoun

1. The sentences which are taken from a book, will help students in studying English.

2. My mother whom you talked to yesterday, is very strict.

3. I couldn't find the letter which the postman had brought yesterday.

II. Passive Voice

1. The words have just been written on the blackboard by the teacher.

2. Their homework has been done for hours.

3. Your new bicycle has been stolen for a week by someone

$\text{I. Relative pronoun:}$

 $\text{1. The sentences will help students in studying English which are taken from a book}$

 $\text{2. My mother is very strict who you talked to yesterday}$

 $\text{3. I couldn't find the letter which the postman had brought yesterday}$

$\text{II. Change into Passive}$

 $\text{1. The words have just written on the blackboard by the teacher}$

 $\text{2. Their homework has been done for hours by the children}$

 $\text{3. Your new bicycle has been stolen for a week}$

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