It's impossible to finish this quickly.

He learned about the life of the Eta in his history class.

He finished all his homework yesterday.

Ahem, let me start my presentation.

In Japanese grammar, we use the causative form to make expressions that make others do something.

He couldn't help but pass the exam.

He shut his mouth and said nothing.

He beat his chest in frustration.

I bought three bolts of cloth.

The toad was swimming in the pond.