1.ages/for/it/you/doing/been/have 2.been/tom/doing/for/hours/has/two/shopping 3.this /trying on/ for /have/skirt/been/ i /minutes/twenty 4.o'clock/she/eight/has/since/been/lemonade/selling составит из слов предложения от этого зависит моя четвертная оценка
2. Tom has been doing shopping for two hours.
3. I have been trying on this skiry for twenty minutes.
4. She has been selling lemonade since eight o'clock.