高一英語：知識點總結Unit1-2(16)
【考例】 Meeting my uncle after these years was an unforgotten moment, ____ I will always treasure.
A. that B. one C. it D. what
[考查目標] one作同位語，指代a moment。
[答案與解析] B that不能引導非限制性定語從句，排除A;if不能作同位語，排除C;what既不能引導非限制定語從句，也不能作同位語。可以填which，這樣就成了非限制性定語從句。
6. For a long time the language in America stayed the same, while the language in England changed. 長期以來，美國英語保持不變，但英國英語變化了。
1. 該句中的“while"用作并列連詞.表示前后對比，意為 “然而”。“while"充當連詞，還能引導時間狀語從句。意為“during the time that…”;引導讓步狀語從句，意 為“although…”。
2. 該句中的 "stay" 為系動詞。后接表語 (the same)。 除了stay外，常見的系動詞還有: become, get, turn, grow, go, come, run, fall, keep, stay, remain。
【考例】 Why don't you put the meat in the fridge? It will ____ fresh for several days.
A. be stayed B. stay C. be staying D. have stayed
[考查目標] 系動詞的用法。
[答案與解析] B 系動詞沒有被動語態，一般不用進行
時態，排除A、C;句意不是表示完成，排除D。系動詞表示狀態。
7. for the first time 第一次
(1) for the first time 第一次，后面不加從句，在句中作狀語 They came to Beijing for the first time.
(2) the first time 名詞短語，在從句中充當連詞，后接時間狀語從句，不接that，when等連詞。有同樣用法的短語還有：every time; next time; the last time
They liked Beijing the first time they went there.
(3) It's / This is the first time that + 從句(用現在完成時)這是……的第一次 It's the first time that I have ever been abroad at all.
8. What is it that...? 是什么……?
強調句的用法：
(1) 結構：It is / It was (過去時間) + 被強調部分 + that / who (專指人) + 其他部分
(2) 用法：除了謂語動詞不能強調，句子的每部分均可強調。 Jim met the student in the street last week.
主語 賓語 地點狀語 時間狀語
強調主語：It was Jim who / that met the student in the street last week.
強調賓語：It was the student whom / that Jim met in the street last week.
強調地點狀語：It was in the street that Jim met the student last week.
強調時間狀語：It was last week that Jim met the student in the street.
(3) 注意點：
一般疑問句的強調句：
Was it Dr Wang who spoke to you just now?
特殊疑問句的強凋句：
Who is it that will visit our class?
Where is it that he has gone?
When was it that she went?
not … until … 用于強調句：
It was not until then that I realized I was wrong.
(責任編輯：康彥林)
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