This train is extremely congested, there is absolutely no space to move.

This math problem is extremely difficult.

His speech was of fiery passion, captivating the audience.

This cake is so extremely sweet that I can't eat it.

He suddenly issued a declaration of his intention to marry.

I went to see a movie by myself.

Watching a movie alone is enjoyable.

Day after day, he was studying in the library.

We are planning to go to Tokyo the week after next.

I'm going to work, see you later.