Make up sentences and write them 1- jack/ chemistry/ since/ has been doing/2009 2-we/ decorations/ have been preparing/all the moning/christmas 3- has been working/since/of the school year/ on the computer/ fiona/ the beginning. 4-we/ playing/ for/ been/ have/football/ half an hour 5- have/ travelling/ about/ for/ australia/ the wilsons/ been/ months/ two

1.Jack has been doing chemistry since 2009.
2.We have been preparing decorations all the Christmas morning.
3.Fiona has been working on the computer since the beginning of the school year.
4.We have been playing football for half an hour.
5.The Wilsons have been travelling about Australia for two months.