现在完成时态ppt

have – had – had 有 buy–bought–bought 买 tell – told – told 告诉 give – gave – given 给 take – took – taken 带 fly – flew – flown 飞 swim–swam–swum 游泳 drink–drank–drunk 喝
汉译英 我已经完成我的作业了。
I have finished my homework.
他已经吃过午饭了。
He has had his lunch.
汉译英 我已经给她写过一封信了。
I have written a letter to her.
他从来没有去过北京。
He has never been to Beijing.
把下列句子变一般疑问句 He has gone to school. Has he gone to school? She has eaten a cake. Has she eaten a cake? They have been students. Have they been students?
过去分词的构成：
大多数动词的过去分词跟 过去式相同。
二.不规则动词过去分词. eat – ate – eaten 吃 see – saw – seen 看见 is – was – been are – were – been do – did – done 做 go – went – gone 去 come – came – come 来
英译汉 他们从没看过美国电影。
Tom has bought 5 cars since 2000.
你曾经教过英国人汉语吗？
Have you ever taught English Chinese?
改成现在完成时态 He goes to school. He has gone to school. She is eating a cake. She has eaten a cake. They are students. They have been students.
write–wrote–written 写 sing – sang – sung 唱歌 lie – lay – lain 躺 drive–drove–driven 驾驶 grow–grew–grown 生长 read–read–read 读 put – put – put 放
代表现在完成时态的时间词 already 已经 since 自从 never 从来没有 ever 曾经 yet 还
汉译英 你已经是个 been a doctor.
她曾经读过这本书吗？
Has she ever read this book?
Homework 家庭作业(家长签字)
动词原形、过去式、 过去分词，每个抄写2遍. 2.背现在完成时态 所有知识。
1.
就划线部分提问 He has seen a picture. What has he seen? She has cleaned the door. What has she done? I have been a worker for two years. How long have you been a worker?
现在完成时态 概念：(2) 过去开始的动 作一直持续到现在 。 例句： learned English I have for 20 years.
He has watched TV for half an hour.
句子结构(2)
主语 have / has 过去分词 ___+_________+_______ +___+_________ for 一段时间
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* 学 校
第七-一次课
现在完成时态
现在完成时态 概念：(1) 过去发生的动 作对现在造成了影响 。 例句： I have shut the door. He has eaten an apple.
They have finished their homework.
句子结构(1)
主语 have / has 过去分词 ___+_________+_______
把下列句子改成否定句 He has gone to school. He hasn’t gone to school. She has eaten a cake. She hasn’t eaten a cake. They have been students. They haven’t been students.
英译汉 她已经学习英语20年了。
She has learnt English for 20 years.
我去过伦敦。
I have been to London.
英译汉 他们从没看过美国电影。
They have never seen American movies.
我去过伦敦。
I haven’t finished my work yet.