课件21张PPT。Unit 4 Then and now第四单元1. ago …… 以前 2.office 办公室 3.newspaper 报纸 4.news 新闻 5.watch 观看 6.e-book 电子书 7.with 用 8.yesterday 昨天 9.use 使用,利用 10.telephone 电话 11.anywhere 随处,到处 12.radio 收音机 13.TV 电视 14.still 仍然 15.spell 拼读,拼写 1.then and now 过去和现在 2.all over the world 全世界 3.do shopping 购物 4.make friends 交朋友 5.read e-books 读电子书 6.make a sentence 造句 7.look out of 朝……外看 8.a mobile phone 一部手机 9.write an email 写一封电子邮件 10.go on 继续 1. What day is today?
=What day is it today? 今天是星期几? 2.… ago, he/she … ……之前,他/她……Six years ago, I couldn't write. 六年前,我不会写作. Twenty years ago, he wrote letters. 二十年前,他写信. 3.Now, he/she can write emails.现在,他/她能写邮件。1. could引导的一般过去时的否定句,在could之后加not: could not=couldn'tSix years ago, I could write.
否定句: Six years ago, I couldn't write.2.could引导的一般过去时的一般疑问句,将could调至句首:Mike could read and draw.
一般疑问句: Could Mike read or draw?3.could引导的特殊疑问句:特殊疑问词+could引导的一般疑问句?
What could she do eight years ago?
She could sing and dance.