... Unit 7- My Unit 7- My neighborhood neighborhood Lesson 6 - Language Lesson 6 - Language focus 1 ,2, 3,4 focus 1 ,2, 3,4 be see collect go worked lived do seen eat attended write been written eaten ... the present perfect tense Make sentences using the present perfect tense 1- I / be / here / last week 2- They / work / for his company / 20 03 3 – we / collect / stamps / 1995 4 - He / attend / Quang ... 10 weeks 5 – She / eat / in that restaurant / two years I have been here since last week . They have worked for his company since 20 03 . We have collected stamps since 1995 . He has attended Quang...