倍数的表达方式先说倍数,再说是谁的……,比谁

倍数的表达方式：先说“倍数”，再说“是谁的……”，“比谁的…….”

I am twice as old as he.

He earns twice as much as he used to.

She studies three times as hard as I.

The line is four times as long as that one.

My command of English is not half so/as good as yours.

We have produced twice as much cotton this year as ten years ago.

The street is four times shorter than that one.

The output of cars in 2008 was five times greater than that of 2000.

The rope is four times longer than that one.

The college is twice what it was 5 years ago.

The output of cars in 2008 was six times that of 2000.

注意:

使用more…than比较级的例句

He earns five times more money than he did ten years ago.

There are twice more students in our class than in theirs.

在比较级前,还可以用over, more than等表示”比…….倍还要多”。例如: Americans eat more than twice as many vegetables per person today as they did in 1910. He has more than three times my money.

with的复合结构

1.with + n. +现在分词

They started working with the machine running.

With the boy leading the way, we found her house easily.

With time going by(=As time went by) ,he likes English more and more.

I could’t do my homework with all that noise going on.

2.with +n. +过去分词

He is used to sleeping with the window shut.

With his work done ,he went out playing basketball.

3.with +n. +不定式

With a lot of work to do, Tom can’t go out to play.

With you to help me ,I believe I will make progress.

With everything she need bought ,she left the supermarket.

With a party to be held, the waiters are busily preparing for it.

4.with +n. +形容词

He is used to sleeping with the window open/closed.

Don’t speak with your mouth full.

5.with + n. +副词

Don’t leave the room with the light on.

With Tom out (由于Tom不在),I have to finish the work on my own.

6.with + n. +名词(短语)

The boy killed the bird with a stone his weapon.

7.with +n. +介词短语

The teacher came into the classroom with a book in his hand.

这一结构,with可省去,同时省冠词和限定词。

The teacher came into the classroom , book in hand.