1. She ____ been following the test for an hour at 12 o’clock.

They would have been      as a software programmer since 2011.

Read the sentences below and pay attention to the structure!   She'll still be groggy. She will have undergoing surgery for three hours. It's a 24-hour relay. They'll only have been run for half t...

20. Your children ____ paintball in my back yard for more than two hours by the time you pick them up.

been listening to the music for an hour by 9 o’clock?

10. He ____ the business for two years by the end of next April.