Since my grandmother's health has been deteriorating, I decided to take care of her.

He has changed so much that he is a mere shadow of his former self.

We started a collaboration for a new project.

We decided to collaborate on a new project.

Have you ever seen a horse cribbing?

He has a habit of chewing loudly, so he often makes noise while eating.

The characters are small and hard to see.

He opposed the appeasement policy of that country.

Laymen's opinions on that issue often greatly differ from the experts' opinions.

He misrecognized her and spoke to her thinking she was someone else.