Good manners are the happy way of doing things.
It seemed to him that he had never worked so hard in his life.
She sounded rather surprised on the phone.
Sit down.Just stay calm and you will be alright.
3.to be 可以加在seem,prove,remain,appear等系动词和其后的名词或形容词之间，但也可以省略。
The task proved (to be) impossible.
They seem (to be) such friendly people,but they never replied to our invitation.
What has happened remains (to be) a mystery.
The problem first appeared (to be) unsolvable,but later we came up with a very good solution.
注意：在seem,appear等词后，可加其他非 to be 的不定式，但这时，它们则不是系动词而是不及物动词。
This is the most difficult question I have ever been forced to answer.
Among all my employees,Jim works the most efficiently.
I will be most grateful if you could grant me the scholarship.
It was a most beautiful morning and the birds were singing in the trees.
She is a most pleasant person to talk to.
I shall be most happy to go downtown with you if I should not be in the way.(要是不妨碍你们的话，我非常愿意和你们一起去市中心。)
He argued his case most persuasively(有说服力地).Whatever happens,I shall most certainly attend the meeting.