John is not a man to count on, and it is very likely that the work ____ by the time he arrives here.
A number of sheep _________ seen by us when we passed the field..
Both Kate and I _________ ready for the picnic now.
A boy with two dogs _______ when the earthquake rocked the city.
Andy has _______ for five years. Five years _________ a long time.
Maths _______ my favourite subject.