（1）“it”引導的強調句

1)It + is／was + 被強調部分 + that／which／who／whom／whose + 句子的其他成分：

在這一結構中，如果被強調部分是人，用"that"，“who”，“whom”；如果被強調部分是物，用"that"或“which"；強調狀語時，只能用"that"，不能用"when"，“where” 和"why"；強調的主語是復數，主句的謂語動詞也得用單數。  

It was uncle Bill、whose telephone number I lost．

It was we that／who arrived there first．   

It was because it rained heavily that they didn’t go outing．

③作表語的形容詞不能用于強調句式。   

誤：It is beautiful that Helen is．   

④“No matter”+“關系代詞/關系副詞”加強語氣：   

Tom is absolutely right in doing this job．

This is just the word the author uses in his article．   

He is nothing if not careful．(=He is very careful．)

They are the truest of friends．   

The very act stepping on this soil was for me a far greater adventure．

The newspaper reporters got excited at the very sight of the Nobel Prize Winner．

It is beautiful song that Helen is singing．

2)“It+情態動詞+be+被強調部分+that+…”表示強調：

It must be Mike that is listening to the music．

It might have been John who was in the traffic jam．

It would have been at that time that he went to live in London．

3)“It is／was + not until+被強調部分+that+…”表示強調：

It was not until dark that she realized it was too late to go shopping．、

It is not until the radiant energy falls upon matter that it becomes heat energy．

Who was it that interviewed Betty．

Where was it that you were born?

Could it be at the meeting that I met the，teacher?

He told me that it was because he was ill that they decided to return．

[注]在疑問句中，當賓語是"them"時，強調時應改為"those"

Did the professor regard them such contempt? →

Was it those that the professor regarded with such contempt?

5)對否定句中的某部分強調時，要注意"not"的前移：

6)在“It is／was……”之后可用“肯定+否定”或“否定+肯定”形式，以加強對比含義。

It is you not me who should be blamed．

It wasn't a knife but a dagger that I saw under the desk.

It was due to luck rather than judgment that the driver succeeded in avoiding an accident．

(2)助動詞“do'’用作強調 

1)用在肯定句或祈使句的謂語動詞之前，起加強語氣的作用，有“的確，一定”的意思，而且要重讀。

Do tell me what happened．

They did work very hard last month

We waited and waited for Betty．Finally Betty did come along．

Cars moved very slowly in the 1920s，but，they did move more quickly than in 1910．

2)和“never/not/little/hardly/scarcely/rarely/seldom/only/well”等詞連用放在句首，起加強語氣的作用，要求用倒裝形式，這時"do或did"不重讀。

Not a word did she say during the discussion．

Rarely／Seldom do I get invited into the office alone．

Only in the afternoon did I see her．

(3)表示強調的其他形式強調的詞匯及其用法

1)“ever，whatever，the devil，the hell，on earth，in the world，under the sun，what it is”等含有“究竟，到底”意義的詞語，用以加強語氣，表示強調：Whatever do you mean?

I had no choice whatever．

There can be no doubt whatever about it．(這件事毫無疑問。)

Who ever was in the room?

Who the devil is she?   

Where the hell have you put the book?

Nothing on earth could make her happy．

I must be the happiest woman on earth．

How in the world did he get the information?   

I never in the world have believed such an obvious lie．

I don’t know what it is that has made him so angry．

When I try to understand what it is that prevents so many．

2)“by all(possible)means(當然，務必…，盡一切可能…)，by no means(決不…)，not．．．at all(根本不)”表示強調：

They should go by all means． 

We must help her by all possible means．

I didn’t do it at all last night．

He is by no means a pleasant man to deal with．

3)"by far (…得多，尤其更…)”強調形容詞或副詞的比較級或最高級：

This is better by far．

We are walking by far the slowest．(“by far"也可放在最高級之后。)

[注]“by far”用于比較級時，一般置于比較級詞之后，若置于之前應在二者之間加“the”

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