Korean 3 - to be (informal /polite) - Words ending in a consonant

QuestionAnswer
is (after consonant /informal) (i-e-yo)
이에요
desk (chaeg-sang)
책상
It's a desk. (informal) (chaeg-sang i-e-yo)
책상이에요
pencil (yeon-pil)
연필
It's a pencil. (informal) (yeon-pil i-e-yo)
연필이에요
student (hag-saeng)
학생
It's a student (informal) (hag-saeng i-ye-yo)
학생이에요
bag (ga-bang)
가방
It's a bag. (informal) (ga-bang i-e-yo)
가방이에요
is (after consonant /informal)
이에요
desk
책상
It's a desk. (informal)
책상이에요
pencil
연필
It's a pencil. (informal)
연필이에요
student
학생
It's a student (informal)
학생이에요.
bag
가방
It's a bag. (informal)
가방이에요.