studying english I like the boy. he is samart ⇒I like the boy who is smart. I like the boy. His name is Mike ⇒I like the boy whose name is Mike. I like the boy. I met him in the school. ⇒I like the boy whom i met in the school. I have a dog. Its name is Coco. ⇒I have a dog whose name is Coco. I have a dog. It is cute. ⇒I have a dog which is cute. I have a dog. I bought it two weeks ago. ⇒I have a dog which i bought two weeks ago. This is the restaurant. I met him there. ⇒This is the where i met him. I remember the day. We first met then. ⇒I remember when we first met. Tell me the reason. You are late for the reason. ⇒Tell me why you are late. Tell me the way. You passed the test in the way. ⇒Tell me how you passed the test.