(
课件网) 小升初英语时态 --现在完成时 now He has had lunch. 弦外音: 吃过了 just now now She has cleaned the room. 弦外音: 已经打扫完 (房间干净了) 含义 现在完成时表示过去发生的动作对现在造成的影响或结果；或表示过去的动作或状态持续到现在；常用的时间标志词有 already , yet , ever , never , just , before 等 句式构成 1 肯定句：S（主语）+ have / has (助动词) + done (动词的过去分词）+ 其他 He has turned off the light. 他已把灯关了. I have been in the army for more than 5 years.我在部队已经呆了五年多了. Jill has bought a new computer.吉尔买了一台新电脑. 翻译句子 她在这所学校教书已经10年了. 本月我学了大约200个英语单词. 我曾经去过长城两次. 她把自行车丢了. She has taught in the school for ten years. I have learned about two hundred English words this month. I have been to the Great Wall twice. She has lost her bike. 句式构成 2 I haven't eaten anything since breakfast. 我从早饭起就一直没有吃东西. I haven't seen Jamie for two months. 我两个月没见杰米了. The old man hasn't returned to his hometown for about fifty years. 这位老人约有50年没有回家乡了. 否定句：S（主语）+ have / has (助动词) + not + done (动词的过去分词）+ 其他 翻译句子 他们尚未完成该项工作. They haven't finshed the job yet. 我还没有去看那部电影 I have not seen the the movie yet. 雨还没有停. The rain hasn't stopped yet. 他没有去参加 Tom 的婚礼 He has not attened Tom's wedding ceremony 句式构成 3 Have you had lunch yet?你吃过午饭了吗? Have they got there already?他们到达那儿了吗? How long have you lived here 你住在这里多久了? 现在完成时一般疑问句结构： Have/Has+主语+动词过去分词+其它 肯定回答：Yes,+主语+have/has. 否定回答：No,+主语+haven't/hasn't. 翻译句子 你曾经去过上海吗 ？ Have you ever been to Shanghai? Have they found the missing child yet? 他们找到丢失的孩子了吗 ？ Has he finished the homework? 他做完作业了吗 ？ Has he learnt English before? 他之前学过英语吗 ？ 练习 把下列句子改为一般疑问句和否定句并做肯定回答 I have seen him since his wedding day 否定句： I haven’t seen him since his wedding day . 一般疑问句：Have you seen him since his wedding day? Yes, I have 不规则动词的变换形式 1） AAA型(三种都一样) 如：cost cost cost cut cut cut hurt hurt hurt shut shut shut set set set 不规则动词的变换形式 2）ABB型(过去式与过去分词相同) bring-brought-brought catch caught caught lead led led 不规则动词的变换形式 3） ABC型(三种都不一样) begin began begun grow grew grown ring rang rung break broke broken 不规则动词变换形式 4）ABA型(原形与过去分词相同) come came come become became become run ran run 练习 写出下列动词的过去分词形式. 1. wake_____ 2. teach _____ 3. sell _____ 4. see _____ 5. ride _____ 6. pay _____ 7. choose _____ 8. throw _____ 9. think _____ 10. eat _____ 11. drive _____ 12. catch _____ 13. bring _____ 14. break _____ 15. give _____ 16. get _____ 17. know _____ 18. open _____ 19. write _____ 20. forget _____ woken taught sold ridden chosen thought driven brought known given written seen paid thrown eaten caught broken gotten opened forg ... ...
