如何找主语？

@ 名词（词组）

The report warns that 200 million poor workers are at risk of joining the ranks of people living on less than two dollars per day in the past three years. (报告)

A commentary in the Shanghai Daily points out that innovation doesn't mean piles of documents. (评论)

For example, sleep duration has declined from some eight hours in the 1950s to seven in recent years. (睡眠持续时间)

Blood pressure and heart rate are typically at their lowest levels during sleep. (血压和心率)

@ 代词

I prefer to make a call if I'm in a hurry.

You have to get across what it is about a particular area that has inspired you.

However, he points out that many countries have not done so.

It's pointless unless there is a repeatable process in place to turn inspiration into financial performance.

But surely that's a positive sign showing that Mr. Bond has a lot of trust in you.

This is your chance to convey boundless enthusiasm for the subject.

@ 数词/量词

One of the press operators arrived an hour and a half late. (基数词)

Millions of irrigation wells have significantly lowered water tables in almost every state. (基数词)

The first is the postponement of, if not retreat from, marriage. (序数词词)

A quarter of this year's American grain harvest will be used to produce bio-fuel for cars. (分数词)

In a study last year, of all people surveyed, 48 percent said they wanted to ride in one, while 50 percent did not. (百分数)

Most of the needed funds is raised by taxes. (量词)

However, none of them were prepared to comment on this study or discuss the detailed nicotine content of their products. (量词)

@ 动词不定式/动名词

To call stress an epidemic isn't exaggeration. (不定式）

★ 四六级很少出现，一般的 to do 结构都是用来作目的状语，而非主语。

Sleeping better may help fight off illness.

And involving the future resident in the process can be very important.

Also, being open to new ideas had no relationship to long life, which might explain all those bad-tempered old people who are fixed in their ways.

Making last-minute preparations for tests may be less effective than sleeping.

导图一下～