Unit 6 第2课时 Section A(Grammar Focus～3c)——单元语法精讲精练（作业课件）-【四清导航】2023-2024学年七年级英语下册（人教版 河南专用）

第二课时 Section A(Grammar Focus～3c)——单元语法精讲精练 英语 七年级下册 人教版 四清导航 一、现在进行时的定义 现在进行时表示现在、说话瞬间正在进行的动作，或现阶段一直正在进行的动作。 Tony is playing basketball now.托尼现在正在打篮球。 二、现在进行时的构成 其谓语结构为：be动词＋动词的现在分词形式。当主语为第一人称单数时，be动词用am；当主语为第二人称或其他人称复数形式时，be动词用are；当主语为第三人称单数时，be动词用is。 现在分词的构成规律为： 1．一般动词直接在词尾加­ing。 read—reading；play—playing 2．以不发音字母e结尾的动词，去掉e，再加­ing。 come—coming；write—writing 3．以重读闭音节结尾，且末尾只有一个辅音字母的动词，双写该辅音字母后再加­ing。 get—getting；run—running 4．少数以ie结尾的动词，变ie为y，加­ing。 lie—lying；tie—tying 三、现在进行时的句型结构 1．肯定句式：主语＋be(am/is/are)＋现在分词＋其他. They are sitting in the classroom now.他们现在正坐在教室里。 2．否定句式：主语＋be(am/is/are)＋not＋现在分词＋其他． He isn't flying a kite.他现在没在放风筝。 3．一般疑问句：Be(Am/Is/Are)＋主语＋现在分词＋其他？其肯定答语为：Yes，主语＋be(am/is/are).否定答语为：No，主语＋be(am/is/are)＋not. —Is the girl swimming？这个女孩正在游泳吗？ —Yes，she is./No，she isn't.是的，她在。/不，她不在。 4．特殊疑问句：特殊疑问词＋be(am/is/are)＋主语＋现在分词＋其他？ What are your parents doing now？你的父母现在正在做什么？ 一、用括号内所给单词的适当形式填空。 1．Listen! The birds ____________(sing) in the tree. 2．Look! The boys _____________(play) soccer on the playground (操场)． 3．—What are you _________(do) now? —I ______________(clean) the room. 4．Steve is busy. He ______________(write) a letter. 5．It's twelve o'clock. The Green family ____________(have) lunch. are singing are playing doing am cleaning is writing are having 二、按要求完成句子。每空一词。 6．She is taking a walk by the river.(用“they”改写句子) _________________a walk by the river. 7．My brother is brushing teeth now.(改为一般疑问句) ________brother ___________teeth now? 8．She is doing her homework in her room.(改为否定句) She ___________her homework in her room. 9．Is the dog sleeping now？(作肯定回答) ____________． They are taking Is your brushing isn't doing Yes,it is eq \x(现在进行时Ⅰ) $$