1.paris is most beautiful than Santo Domingo. 2.this jean is chiaper than that. 3.my sister is younger than I. 4.Santo Domingo is warmer than canada. 5.my brother is taller than I. the baby has smiled . the baby was smiling. thebaby had smiled. He is copoyine my letter. He wos copaying my letter. He has copied my letter. He had copied my letter.