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高一英語：知識點(diǎn)總結(jié)Unit15-16(14)

2016-11-25 21:51:21 來源：高考網(wǎng)

 　　【考例2】The number of people invited

　　____ fifty，but a number of them ____ absent

　　fnr different reasons.

　　A. were; was B. was; was

　　C. was; were D. were; were

　　[考查目標(biāo)] 主謂一致。

　　[答案與解析] C 根據(jù)以上的解釋，應(yīng)該選was;were。

　　【考點(diǎn)3】Having realized that I could use a kite to attract

　　Iightning, I decided to do an experiment. 意識到可以用

　　風(fēng)箏引來閃電之后，我便決定做個(gè)實(shí)驗(yàn)。

　　該句中的having realized是v-ing形式的完成式在句中

　　作狀語。

　　v-ing形式在句中的主要作用是作狀語，having done表

　　示非謂語動詞的動作先于渭語動詞的動作，而且要注

　　意非謂語與句子主語之間存在著主動關(guān)系時(shí)，用hav—

　　ing done;非謂語與句子主語之間存在著被動關(guān)系時(shí)，

　　用having been done;其否定形式是在v-ing前加not。

　　例如：

　　Having finished his homework, the boy decided to play

　　football for a while. 做完了作業(yè).他決定去踢一會兒

　　球。

　　Not having cleaned the classroom, they couldn't go

　　home. 還沒有打掃完教室，他們還不能回家。

　　Having been praised in class, the girl felt very happy.

　　那個(gè)姑娘在班上得到表揚(yáng)，感到很高興。

　　【考例3】 ____ from heart trouble

　　for years, Professor White has to take some medicine

　　with him wherever he goes.

　　A. Suffered B. Suffering

　　C. Having suffered D. Being suffered

　　[考查目標(biāo)]非謂語動詞v-ing。

　　[答案與解析]C v-ing形式的邏輯主語是Professor

　　White，Professor White和suffer之間存在著主動關(guān)

　　系，而且根據(jù)，for years，表示suffer 的動作持續(xù)換了

　　多少年，所以用v-ing完成式表示原因。

　　[牛刀小試3]

　　1. He ____ to the railway station, only to find the

　　train had been away for 5 hours.

　　A. did go B. had gone

　　C. had to go D. has gone

　　2. ____ careful while crossing the street.

　　A. Your being B. To be

　　C. Do be D. Being

　　3. ____ of deaths from heart disease will be reduced

　　greatly if people are persuaded to eat more fruit and

　　vegetables.

　　A. The number 15. A number

　　C. A lot of D. Many

　　4. ____ in the queue for half an hour, Tom sudden-

　　ly realized that he had left his wallet at home. 

　　A. To wait B. Have waited

　　C. Having waited D. To have waited

　　(責(zé)任編輯：康彥林)

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