My boyfriend gave me a gift.

Everyone was surprised by the news.

I'm not in the mood to work.

He recognizes his success as being due to his heavy reliance on technology.

He is always heavily relying on his friend.

He completed the project in a week.

I'm always busy during the daytime, and I only have time to rest at night.

He had been working overseas for an extended period of time.

The theory of spacetime is an important part of physics.

Mr. Mashiwa is my best friend.