Unit 4 Smart home语法Present perfect tense专项练习 2026-2027学年沪教版五四学制英语七年级上册

Unit 4 Smart home Present perfect tense专项练习 一、写出下列动词的过去分词 No. 动词原形 过去分词 No. 动词原形 过去分词 1 use __________ 11 see __________ 2 change __________ 12 go __________ 3 connect __________ 13 have __________ 4 visit __________ 14 do __________ 5 try __________ 15 read __________ 6 play __________ 16 come __________ 7 make __________ 17 find __________ 8 buy __________ 18 build __________ 9 break __________ 19 bring __________ 10 hear __________ 20 be __________ 二、判断应使用现在完成时还是一般过去时，并用括号内动词完成句子 1. Look! The smart fridge __________________ the temperature.(just, change) 2. Smart homes __________________ our lives in many ways.(already, change) 3. I __________________ a sore throat for two days.(have) 4. I __________________ a sore throat two days ago.(have) 5. Lu Yao __________________ the smart home already.(visit) 6. Lu Yao __________________ the smart home last Saturday.(visit) 7. I know how this smart speaker works because I _____________ it before.(use) 8. We ________________ several new devices at the Tech Expo yesterday.(try) 9. Yiming __________________ this smart speaker before.(see) 10. My parents __________________ a smart light last week.(buy) 三、按要求改写句子 1. The smart fridge has changed the temperature.（改为否定句） → The smart fridge __________________________________________. 2. Smart homes have changed our lives.（改为否定句） → Smart homes ______________________________________________. 3. Lu Yao has visited the smart home.（改为一般疑问句） → _________________________________________________________? 4. They have tried the new devices.（改为一般疑问句） → _________________________________________________________? 5. Has Yiming used the smart light?（作肯定回答） → Yes, ______________________________________________. 6. Has Lucy seen the smart speaker?（作否定回答） → No, ______________________________________________. 7. Wang Yiming has bought a smart device.（改为一般疑问句） → _________________________________________________________? 8. We have heard about the smart kitchen.（改为否定句） → We ______________________________________________________. 9. Has Tom broken the smart device?（作否定回答） → No, ______________________________________________. 10. The smart home has connected all the devices.（改为一般疑问句） → _________________________________________________________? 四、选择最恰当的答案 1. The smart fridge ______ just ______ the temperature. A. has; changed　　B. have; changed　　C. has; change　　D. did; changed 2. ______ you ______ this smart speaker before? A. Did; seen　　B. Have; seen　　C. Has; seen　　D. Have; saw 3. The smart home ______ all the smart devices yet. A. hasn't connected　　 B. haven't connected　　 C. didn't connected　　 D. hasn't connect 4. I ______ a sore throat for two days. A. had　　B. have had　　C. has had　　D. have 5. We ______ the smart home last Sunday. A. have visited　　B. has visited　　C. visited　　D. visit 6. Lucy knows how the device works because she ______ it before. A. tried　　B. has tried　　C. has try　　D. have tried 7. My brother ______ to the Tech Expo before. A. has been　　B. was　　C. has went　　D. have been 8. Oh no! Tom ______ the smart device. A. has broke　　B. have broken　　C. has broken　　D. broke yesterday 9. We ______ already ______ about this new technology. A. have; heard　　B. has; heard　　C. have; hear　　D. did; heard 10. Dad ______ a smart speaker, so we can use it at home now. A. has bought　　B. has buy　　C. have bought　　D. bought last year 11. —Have you visited the Tech Expo? —Yes, I have. —When ______ you ______ there? A. have; gone　　B. did; go　　C. have; been　　D. did; went 12. ______ she ever ______ a smart home? A. Did; visit　　B. Has; visited　　C. Have; visited　　D. Has; visit 13. Which sentence is correct? A. He has saw the smart fridge. B. He have seen the smart fridge. C. He has seen the smart fridge. D. He has see the smart fridge. 14. I ______ this online post twice, so I know what it is about. A. read yesterday　　B. have read　　C. has read　　D. have reading 15. I ______ the post on smart homes yesterday evening. A. have read　　B. has read　　C. read　　D. have reading 16. Look! The smart windows ______ automatically. A. have just opened　　B. just opened yesterday　　C. has just opened　　D. have just open 17. We ______ this device before, so we don't know how it works. A. haven't used　　B. hasn't used　　C. didn't used　　D. haven't use 18. The students ______ several smart things at the Tech Expo. A. have made　　B. has made　　C. have make　　D. have maked 19. The smart home ______ our lives easier in many ways. A. have made　　B. has made　　C. has make　　D. made last week 20. Which sentence should use the past simple? A. I ______ this smart speaker before. B. She ______ here for two years. C. We ______ the Tech Expo last Saturday. D. He ______ already tried the device. 五、找出下列句子中的错误并改正 1. The smart fridge have just changed the temperature. → ______________________________________________________ 2. Have you saw this smart speaker before? → ______________________________________________________ 3. Lucy has went to the Tech Expo. → ______________________________________________________ 4. We has already tried the new device. → ______________________________________________________ 5. I have had a sore throat two days ago. → ______________________________________________________ 6. They have visited the smart home last week. → ______________________________________________________ 7. Has Yiming use the smart light before? → ______________________________________________________ 8. Smart homes has changed our lives in many ways. → ______________________________________________________ 9. Tom hasn't hear about this new device. → ______________________________________________________ 10. Have you ever use a smart speaker? → ______________________________________________________ 参考答案 一、过去分词： 1. used　2. changed　3. connected　4. visited　5. tried　6. played　7. made　8. bought　9. broken　10. heard　11. seen　12. gone　13. had　14. done　15. read　16. come　17. found　18. built　19. brought　20. been 二、时态判断并完成谓语： 1. has just changed　2. have already changed　3. have had　4. had　5. has already visited　6. visited　7. have used　8. tried　9. has seen　10. bought 三、按要求改写： 1. hasn't changed the temperature　2. haven't changed our lives　3. Has Lu Yao visited the smart home　4. Have they tried the new devices　5. he has　6. she hasn't　7. Has Wang Yiming bought a smart device　8. haven't heard about the smart kitchen　9. he hasn't　10. Has the smart home connected all the devices 四、选择题： 1.A　2.B　3.A　4.B　5.C　6.B　7.A　8.C　9.A　10.A　11.B　12.B　13.C　14.B　15.C　16.A　17.A　18.A　19.B　20.C 五、改错： 1. have → has　2. saw → seen　3. went → gone　4. has → have　5. have had → had　6. have visited → visited　7. use → used　8. has → have　9. hear → heard　10. use → used 学科网（北京）股份有限公司 $