非謂語(yǔ)動(dòng)詞是英語(yǔ)中�？贾R(shí)點(diǎn)，非謂語(yǔ)動(dòng)詞可以做很多結(jié)構(gòu)。下面為提供非謂語(yǔ)動(dòng)詞作主語(yǔ)和表語(yǔ)的比較，希望對(duì)大家有幫助。
一、不定式和動(dòng)名詞作主語(yǔ)與表語(yǔ)的比較表示具體的、一次性的或?qū)?lái)的動(dòng)作用不定式;表示一般的、泛指的或習(xí)慣性的行為用動(dòng)名詞。
如：◎ ________ is a good form of exercise for both young and old. (全國(guó)卷)
A. The walk
B. Walking
C. To walk
D. Walk
【分析】答案選B。a good form暗示泛指一般性行為，用動(dòng)名詞作主語(yǔ)。說(shuō)明：①有時(shí)這種區(qū)別并不很嚴(yán)格。但要注意：主語(yǔ)和表語(yǔ)要用同一種形式;平行結(jié)構(gòu)中要用同一種形式。
如：◎ —What do you think made Mary so upset? — ________ her new bike. (上海卷)
A. As she lost
B. Lost
C. Losing
D. Because of losing
【分析】答案選C。去掉問(wèn)句中的插入語(yǔ)do you think，便知要回答的是主語(yǔ)what。選項(xiàng)中只有動(dòng)名詞Losing可作主語(yǔ)，全句應(yīng)為：Losing her new bike made Mary so upset. 此處的動(dòng)名詞短語(yǔ)表示的是具體的一回事。
◎ The purpose of new technologies is to make life easier, ________ it more difficult. (全國(guó)卷)
A. not make
B. not to make
C. not making
D. do not make
【分析】答案選B。前面用的是不定式作表語(yǔ)，與之并列的也應(yīng)用不定式。
◎ Fishing is his favorite hobby, and ________. (上海卷)
A. he’d like to collect coins as well
B. he feels like collecting coins, too
C. to collect coins is also his hobby
D. collecting coins also gives him great pleasure
【分析】答案選D。and連接兩個(gè)并列句，前一分句用-ing形式作主語(yǔ)，與之并列的后一分句也應(yīng)用-ing形式作主語(yǔ)。 ②通常只用動(dòng)名詞用主語(yǔ)的4種情況：在疑問(wèn)句中;在It is no good / use…, It is useless…, There is no…等句型中;在某些動(dòng)詞的被動(dòng)式前;在No smoking!之類的布告語(yǔ)中。如：1. Is doing morning exercises good for your health? 做早操對(duì)身體有益處嗎?2. It’s useless arguing with them. 和他們討論是沒用的。3. Walking on the grass is forbidden. 禁止在這草地上行走。 ③通常只用不定式作主語(yǔ)的4種情況：在It is necessary / important / …(for sb. ) to do sth. 句型中;It is kind / foolish / …(of sb. ) to do sth. 句型中;在It takes sb. time to do sth. 型句中;主語(yǔ)被否定時(shí)。如：1. It is necessary for us to master a foreign language. 我們有必要掌握一門外語(yǔ)。2. It is very kind of you to help us. 你幫助我們真是太好了。3. It took me two hours to finish the work. 我完成那項(xiàng)工作用了兩小時(shí)。4. Not to have hope is the poorest of all conditions. 絕望是最糟糕的事。
二、不定式、動(dòng)名詞、分詞作表語(yǔ)的比較不定式和動(dòng)名詞作表語(yǔ)相當(dāng)于名詞作表語(yǔ)，表示主語(yǔ)的內(nèi)容，主語(yǔ)和表語(yǔ)可以對(duì)調(diào);分詞作表語(yǔ)相當(dāng)于形容詞作表語(yǔ)，主語(yǔ)和表語(yǔ)不可對(duì)調(diào);現(xiàn)在分詞作表語(yǔ)表示主語(yǔ)所具有的性質(zhì)特征，過(guò)去分詞作表語(yǔ)表示主語(yǔ)所處的狀態(tài)。如不定式和動(dòng)名詞作表語(yǔ)相當(dāng)于名詞作表語(yǔ)，表示主語(yǔ)的內(nèi)容，主語(yǔ)和表語(yǔ)可以對(duì)調(diào);分詞1. My job is teaching / to teach English. (作表語(yǔ)的teaching / to teach English是my job的具體內(nèi)容，可說(shuō)成Teaching / To teach English is my job. )3. The movie is exciting. (exciting是主語(yǔ)the movie是性質(zhì)特征。)4. They are excited at the news. (excited表示they現(xiàn)在所處的狀態(tài)上海卷
【分析】答案選C。表示“就坐”的seat是及物動(dòng)詞，若后面沒有sb. 或oneself作其賓語(yǔ)，就一定是seated，所以選C;此處的過(guò)去分詞seated表示狀態(tài)，remain=continue to be依然，保持。注：在seem, appear, prove(結(jié)果是、后來(lái)表明), remain(尚須)等連系動(dòng)詞后，可用不定式作表語(yǔ)，但不用-ing形式作表語(yǔ)。
如：Having a trip abroad is certainly good for the old couple, but it remains ________ whether they will enjoy it. (全國(guó)卷)
A. to see
B. to be seen
C. seeing
D. seen
【分析】答案選B。remain作“尚須“解，后面通常接不定式;it(形式主語(yǔ)，指whether they will enjoy it)與see是被動(dòng)關(guān)系，所以用不定式的被動(dòng)式。
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