This is ~.

This is your's

This is Tom.
This is he (speaking).
This is crappy.
This is not a joke.
This is going to be interesting.

This is me.
This is going to be interesting.

This is a book.
This is a cup of coffee.
This is a piece of cake!
This is going to be interesting.
This is a easy going.

1. This is Tom. : [소개 자리에서] 이쪽은 톰이야.
this is 광열
2. This is he (speaking). : [통화 상에서] 전데요.
this is 광열 (speaking)
3. This is crappy! : 이거 고물이잖아!
this is very old!
4. This is not a joke! : 이건 장난이 아니야. / 장난 아니네.
this is serious!
5. This is going to be interesting. : 흥미진진할 거야.
this is going to be fun!

this not mine

This is not mine

This is your present

this is going to be fantastic.

A: hey Daniel i got a present of new laptop computer i will show you now
B: umm.. i think this is crappy i saw same named computer 5 years ago

This is my friend Tom.

This is kim speaking