必修二 unit3 Discover useful structures 2022-2023学年高一英语上学期同步精品课堂（人教版2019必修第二册）

4 3 2 1 Lead in Review Summary Exercises Discovering Useful Structures 5 Language points Present perfect passive voice Look at the way your face has been washed Look at the way your teeth have been brushed Look at the way your shoes have been cleaned You’d better do them again. Look at the way the flowers have been planted Look at the way the grass has been cut Look at the way the paths have been swept I hope that you’ll come here again. Appreciate a poem What’s the common verb form of these sentences? Verb form: present perfect passive voice have / has been done Lead in 3 1 定义 表示动作已经完成，强调对现在造成的影响和结果。 常与一些副词连用，如already, ever,never, recently，lastly, just,yet等，通常把副词放在助动词have或 has的后面，有时候也可以放在句末。 表示一直持续到现在的动作或状态。 常与fora time,since,how long,so far等表示一段时间的时间状语连用。 * The child has bee taken care of by gandma all these years. 这些年来，孩子一直由奶奶照看。 Review 4 例2：Have they been sent abroad to study Eng-lish? 他们已经被派往国外学英语了吗? 例3：Who has been invented? 谁受到了邀请？ 2 构成 陈述句 主