Bài giảng Tiếng Anh lớp 8 - Unit 15 : Computers

Nội dung text: Bài giảng Tiếng Anh lớp 8 - Unit 15 : Computers

1. * The form of the present perfect tense: (+) S + have / has + past participle (-) S + have / has + not + past participle (?) Have / Has + S + past participle ?
2. Ba’s mother: Have you finished your homework yet, Ba ? Ba : Yes, ,I have already finished it Mom. Ba’s mother: Good. What about your room ? Is it tidied now ? Ba : I’m sorry, Mom. I haven’t tidied it yet. Ba’s mother: Bad boy, Ba. And the washing machine! Have you turned it off yet ? Ba : Don’t worry, Mom. I have turned it off already Ba’s mother: Have you called and told Aunt Le to have lunch with us today ? Ba : Yes, I have already called and told her to have lunch with us and she said she would come.
3. Flight To Time Status VN 34 Vientiane 7.25 Departed Flight To Time Status VN 888 Los Angeles 6.55 * Model sentences: T : Has the flight to Vientiane departed yet ? S : Yes, it has already departed. T : Has the flight from Los Angeles arrived yet ? S : No, it hasn’t arrived yet.
4. * Model sentences: T : T«i ®· ®Õn cao nguyªn Sa Pa. S : I have been to Sa Pa highlands. Finished action ( indefinite time ) T : Hä sèng ë Cµ Mau ®· ®îc 10 n¨m råi. S : They have lived in Ca Mau for 10 years. Incomplete action ( for, since, )
5. * The difference between the present perfect and the past simple: + Past simple : - finished action with definite time. + Present perfect: - finished action with indefinite time. - an action (not) taking place from the past to the present. * Example: Lan lived in Hue in 2005. Lan has lived in Hue since 2005.
6. * Complete the dialogues. Use the present perfect or the past of the verbs in brackets. Nga : Have you heard the new about Nam ? ( hear ) Mai : No. What happened ? ( happen ) Nga : He had an accident. He was jogging. He suddenly fell and broke his. ( have, fall, break ) Sung: Has the plane arrived yet ? ( arrive ) Clerk: Yes, it has Sung: When did it arrive ? Clerk: It arrived at the airport two hours ago.