Sorry, I don't think I'm gonna be able to.

I think that for many people learning the trigonometric functions is meaningless.

The UFO, with a zigzag movement you couldn't think of as being a plane, flew off into the mountains in the east.

It is too good to be true.

The budget appears to be inaccurate and unrealistic.

The trade imbalance bulks large in our minds.

She confronted the problem, which seemed hard to understand.

She seems to be sick.

She seemed to take it for granted that he should go his own way.

She could not help but wonder about the story.

Her girlish complexion belied the fact that she was over forty.

It seems a bit feudal to call him "sir".

They move from place to place, often change jobs, divorce more frequently, and take economic and social risks which seem dangerous.

It seemed that they were telling a lie.

We do not anticipate their buying a new car.

They don't seem to approve of the plan.

He has the courage to speak up what he thinks right.

It appears to me that he is angry.

It seemed that he had been ill.

He laughed loudly, which behavior seemed inappropriate.