Unit1 Grammar课件2023-2024学年牛津译林版英语八年级下册

Unit1 Past and present Grammar They have learned English for 6 years. Lucy has lived here since she was born. 已有六年 自她出生以来 现在完成时 打开课本P12 现在完成时 1. 2. 3. have/has done since did [red] 次数 谈论一个动作从开始到现在发生的次数也用现在完成时。 表示过去发生的动作对现在造成的影响。 表示过去持续到现在的动作或状态。 现在完成时 时间标志：already, ever, just, never, recently,yet 以及since, for引导的时间状语 谓语结构：have/has + done(过去分词) 助动词 I _________ already ________(have) breakfast. Tom _________ just _________(clean) the classroom. They __________________(learn) English for 6 years. Lucy ________________(live) here since she was born. had cleaned learned lived have has have has 肯定句：主语＋have/has done(过去分词)+其他。 I _________ already ________(have) breakfast. Tom _________ just _________(clean) the classroom. They __________________(learn) English for 6 years. Lucy ________________(live) here since she was born. 否定句 had cleaned learned lived have has have has haven’t hasn’t haven’t hasn’t 主语＋have/has +not＋done(过去分词)+其他。 助动词 一般疑问句 I _________ already ________(have) breakfast. Tom _________ just _________(clean) the classroom. They __________________(learn) English for 6 years. Lucy ________________(live) here since she was born. had cleaned learned lived have has have has Have/Has＋主语＋ done(过去分词)+其他？ Yes, 主语＋have/has. No, 主语+ have/has+not. Have you Has Tom Have they Has Lucy ? ? ? ? Yes, she __________. No, she ____________. has hasn’t 过去分词的规则变化(同过去式的规则变化) 大多数动词 +ed finish → finished 以不发音e结尾的动词 +d change → changed 以辅音字母+y结尾的动词 -y +ied carry → carried 以重读闭音节结尾的动词 双写末尾辅音字母 +ed stop → stopped 过去分词的不规则变形 No change come→come; hurt → hurt Change the vowel hold → held; win → won Change the consonant lend→lent; build → built Change the vowel(s) and the consonant(s) catch →caught; keep→ kept ; forget→ forgotten; tell→ told Others be→ been ; have→ had ; fall→ fallen ; fly→ flown; draw→ drawn ; see→ seen 课本P122 不规则动词的变形 把原形、过去式、过去分词一起记忆 A short test borrow plan say hope