I. 2. has improved 3. has disappeared 4. lisa's leg has been broken 5. has gone up 6. has grown a beard 7. has stopped raining 8. has shrinked... II- 2.been 3.gone 4.gone 5.been. III- 2. have you seen it anywhere 3. i have forgotten my password. 4. he has not replied 5. it has been finished 6. the weather has changed. 7.you havent sign the form. 8. they have gone home 9. he has not deceided yet. 10. i have just seen her 11. he has already gone 12.has your course started yet? IV- 2 Joe has just gone out 3. i havenot finished yet 4.i have already done it 5.have you found yet? 6. i have not deceided yet 7.she has just come back