U3 单元语法讲练（练习PPT）-【支点·同步系列】2024-2025学年七年级下册英语（人教版）

铭文文化 《支点》七年级英语RJ版下册 Unit 3 Keep Fit 单元 语法讲练 单元语法讲解 一、名词性的物主代词 1.分类 英语中的名词性物主代词的分类如下： 人称 第一人称 第二人称 第三人称 数 his他的 mine yours 单数 hers她的 我的 你的 its它的 ours yours theirs 复数 我们的 你们的 他/她/它们的 MINGWEN CULTURE 2.名词性物主代词的用法 (1)在句中独立使用，相当于“形容词性物 主代词十名词”，故其后不能接名词。 (2)在句中可作主语、宾语、表语等。作主 语时，谓语动词的单复数由名词性物主代词所 指代的名词的数而定。 巛 MINGWEN CULTURE 二、频度副词 频度副词是表示某事发生频率的副词，它 们的含义及在频率上从小到大排列如下： never(0%,从不)→hardly(约10%，几乎 不)-seldom(约20%，不常)→sometimes(约 30%,有时)→often(约60%，经常)→usually (约80%，通常)→always(100%,总是) 【拓展】表示频率的词组有once a week,twice a month,four times a year等。 MINGWEN CULTURE 频度副词的用法： 1.频度副词放在系动词、助动词或情态动 词之后，行为动词之前。 2.有些频度副词可放在句首或句尾，用来 表示强调。 3.对频度副词提问用how often。 4.在反意疑问句中，前半句有never/, seldom,疑问部分要用肯定形式。 K MINGWEN CULTURE 单元语法精练 一、用所给词的适当形式填空 1.-Are these pens (your)? -Yes,they are (I). 2.-Is this (you)T-shirt? -No.It's not (I).It's (he). 3.The yellow jacket isn't jacket is blue.(she) 4.The tennis rackets are they ) (we)are over there. MINGWEN CULTURE 二、语法填空 hardly always how often sometimes never There is a different survey.It's about 1 students do housework at home.The result is surprising(令人惊讶的).We thought most students should 2 help their parents with housework at home.But the result was quite different from what we thought.Only a few of the students help their parents with housework every day.Others 3 ever do 1. 2. 3. 的 MINGWEN CULTURE that.The others 4 do that because they think it is too boring.Here,I want to ask all parents to make their children do some housework.5 it's good to do housework. Because good living habits can help to develop good learning habits.By making children do some housework,parents can help them grow up more healthily. 4. 5. MINGWEN CULTURE