An) i know my friend. i ) him/her for a long time b) my friend is learning german. he learn) for 5 weeks. c) i have a car.i (have) this car for a year. d) it's raining. it (rain) since this morning. e) my friend is watching tv. he/she (warch) for an hour.
b)has been learning
c)have been having
d)has been raining
e)He has been watching