【文章內(nèi)容簡介】
gether, there must be something we can do the environment. A. improve B. to improve C. improving D. improved ’t fet the book to me when you finish reading it. A. to bring B. bringing C. bring D. brought Tao is only an eightyearold boy, but he has to do all he can money for his poor family. He really needs our help. A. to make B. make C. making D. made B BB AA advise parents their children at home alone in order to keep them away from danger. A. not leave B. not to leave C. leave D. to leave B 2 動名詞 、特征 動名詞由“動詞原形 +ing”構(gòu)成 , 相當于名詞。在句中作主語、表語、賓語、定語等。 ( 1)作主語。單獨作主語時,謂語動詞用第三人稱單數(shù)形式;如果并列的動名詞 (短語 )作主語 , 謂語動詞用復(fù)數(shù)形式。如: Reading in bed is not good for your eyes. 在床上看書對你的眼睛不好。 Reading and writing take me a lot of time. 讀書和寫作花費了我許多時間。 注意 : 在英語中動詞是不能作主語的 , 應(yīng)用動名詞或動詞不定式。表示泛指意義的行為時 , 多用動名詞作主語 , 但表示具體的行為時 , 必須用動詞不定式 , 此結(jié)構(gòu)通常用 it作形式主語 , 真正的主語為動詞不定式 , 通常放后面。如: Getting up early is good for our health. 早起對我們的健康有好處。 It’s easy to read this book. 讀這本書很容易。 ( 2)作表語