I should prefocus you should prefocus she should prefocus we should prefocus you should prefocus they should prefocus
V-ing form
I should be prefocusing you should be prefocusing she should be prefocusing we should be prefocusing you should be prefocusing they should be prefocusing
Perfect
I should have prefocused you should have prefocused she should have prefocused we should have prefocused you should have prefocused they should have prefocused
V-ing perfect
I should have been prefocusing you should have been prefocusing she should have been prefocusing we should have been prefocusing you should have been prefocusing they should have been prefocusing
Negation
Simple form
I should not prefocus you should not prefocus she should not prefocus we should not prefocus you should not prefocus they should not prefocus
V-ing form
I should not be prefocusing you should not be prefocusing she should not be prefocusing we should not be prefocusing you should not be prefocusing they should not be prefocusing
Perfect
I should not have prefocused you should not have prefocused she should not have prefocused we should not have prefocused you should not have prefocused they should not have prefocused
V-ing perfect
I should not have been prefocusing you should not have been prefocusing she should not have been prefocusing we should not have been prefocusing you should not have been prefocusing they should not have been prefocusing
Interrogative form
Simple form
should I prefocus? should you prefocus? should she prefocus? should we prefocus? should you prefocus? should they prefocus?
V-ing form
should I be prefocusing? should you be prefocusing? should she be prefocusing? should we be prefocusing? should you be prefocusing? should they be prefocusing?
Perfect
should I have prefocused? should you have prefocused? should she have prefocused? should we have prefocused? should you have prefocused? should they have prefocused?
V-ing perfect
should I have been prefocusing? should you have been prefocusing? should she have been prefocusing? should we have been prefocusing? should you have been prefocusing? should they have been prefocusing?
Interro-negative form
Simple form
should I not prefocus? should you not prefocus? should she not prefocus? should we not prefocus? should you not prefocus? should they not prefocus?
V-ing form
should I not be prefocusing? should you not be prefocusing? should she not be prefocusing? should we not be prefocusing? should you not be prefocusing? should they not be prefocusing?
Perfect
should I not have prefocused? should you not have prefocused? should she not have prefocused? should we not have prefocused? should you not have prefocused? should they not have prefocused?
V-ing perfect
should I not have been prefocusing? should you not have been prefocusing? should she not have been prefocusing? should we not have been prefocusing? should you not have been prefocusing? should they not have been prefocusing?