Review of units 1-5Grammar focus 一 . 语法 1. 动名词的用法: unit 1( 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 secrets…… 2. used to 的用法 : unit 2 “ 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 do be+ 名 / 形其否定形式是:主语+ didn’t use to +动原问句形式为: Did +主语+ use to +… ?反意疑问句:主语+ used to +…, didn’t +主语?和 used to 相关的其它句型: get / be used to doing 习惯于做… be used for doing 被用来 3. 简单的被动语态 unit 3 当主语是动作的承受者时,应用被动语态。 一般现在时被动语态:主语+ is/am/are +过去分词 一般过去时被动语态:主语+ was/were +过去分词 一般将来时被动语态:主语+ will be +过去分词 含有情态动词的被动语态:主语+情态动词+ be+过去分词 4. allow 句型 ( 1 ) allow sb to do sth 允许某人做某事 We do not allow people to smoke in the hall. ( 2 ) allow doing 允许做某事 ( 3 ) be allowed to do 被允许做某事 ( 4 ) should be allowed to do 应该被允许做某事 5. 虚拟语气 : unit 4构成:主句:主语+ would +动原 从句 : if +主语+过去式( be 动词一律用 were )+其它用法: A. 表示与事实相反的假设 B. 表示不可能实现的事情 C. 用于提建议 6. 提建议句型总结 ( 1 ) I think you should / could do. … ( 2 ) You had better do. … ( 3 ) If I were you, I would do…. ( 4 ) What about / How about doing? ( 5 ) Why not do …? / Why don’t you do …? 7. 表示推断的情态动词( 1 ) can’t ( 0% ) ( 2 ) might / could ( 20 %-80 % )( 3 ) must (100%)这几个表示推测的情态动词后面可接:...