GrammarTasks PhrasesSentences 一. Grammar 1. 动名词的用法：（1）动名词兼有动词和名词的特征，由动词加 ing 构成。 （2）用法 A. 作主语 She said that memorizing the words of pop songs also helped a lot. B. 作宾语 Now, I am enjoying learning English. Thanks for sending me the E-mail. C. 作定语I think that doing a lot of listening practice is one of the secrets2. used to 的用法 “ 主语used to 动词原形其它” 这个句型结构表示过去的习惯，暗示现在已无此习惯。 used to +dobe + 名、形 其否定形式是主语didnt use to 动原 问句形式为：Did 主语use to ? 反意疑问句：主语used to ，did 主语 和used to 相关的其它句型： get / be used to doi
