It … (to snow) for five hours before the weather changed.  Betty and Jane … (to argue) for half an hour when their parents returned home.

 Why did Ed miss his training yesterday? — He couldn’t come because he … (to prepare) his project all day yesterday.

… Isabel… (to work) as a secretary for four years before she moved to another town? — No, she …. She … (to work) as a secretary just for two years.

… Pete … (to play) computer games all the evening last Friday? — No, he …. He … (to write) an essay for two hours and then he went for a walk.

 Jean … (not to wait) for our boss all the morning yesterday. She … (to speak) to some clients for about an hour and then she went to the bank.

 Kevin was exhausted because he … (to unload) the lorry for three hours.

 I was really happy that Ron won that competition because he … (to prepare) for it for half a year.

… you … (to save) money for a new computer for a long time? — Yes, I… . I… (not to spend) a penny for six months before I got a sufficient sum.

 Cathy and Sue … (to tidy) our cottage house for two days after that birthday party.​