Too rich a diet is not good for you.

He began his diet a week ago.

People who are on a diet mustn`t have chocolate.

The doctor has dieted the patient strictly.

No sugar in my coffee, please. I am dieting.

The doctor has ordered me a special diet.

We must have food to eat and clothes to wear.

The sick man must not go without food, but he must have a diet without sugar.

　　2. Balance: keep or put sth. in a state of balance; steadiness

The children couldn`t keep his balance on his new bike.

He lost his balance and fell over.

How long can you balance on your foot?

　　In a balance命运未定, 在危急中, 不稳定, off balance不稳, on balance总地来说

　　3. Wang Peng sat in his empty restaurant feeling very frustrated. 分词短语在句子中做伴随状语

She said on the chair reading a newspaper.

Pretending to look frightened, I backed towards the door.

Walking in the street, she met her old friend.

Seeing nobody at home, she decided to eat outside.

The child fell, striking his head against the ground.

It is frustrating to have to wait so long.

　　4. Ought to: should / ought to have done sth.

She ought to study hard to get a high mark.

You ought to have come yesterday.

　　5. Be full of: be filled with

He was full of curiosity.

The house on fire was full of heavy smoke and shouting.

　　6. He thought of his mutton, beef and bacon cooked in the hottest, finest oil. 过去分词短语作后置定语, 表示被动, 相当于定语从句.

The flowers picked by him are very beautiful.

　　7. Nothing could be better. 比较级的否定形式,实际上表示最高级含义.

I have never seen a better film.

Nobody loved money better than he did.

I think nothing is more pleasant than traveling.

　　8. Suddenly he saw his friend Li Chang hurrying by.

See. Hear, notice, watch, feel等动词后的宾语补助语用不带to 的不定式,还可以是现在分词.