I'd be forefending you'd be forefending he'd be forefending we'd be forefending you'd be forefending they'd be forefending
Perfect
I should've forefended you should've forefended he should've forefended we should've forefended you should've forefended they should've forefended
V-ing perfect
I should've been forefending you should've been forefending he should've been forefending we should've been forefending you should've been forefending they should've been forefending
Negation
Simple form
I shouldn't forefend you shouldn't forefend he shouldn't forefend we shouldn't forefend you shouldn't forefend they shouldn't forefend
V-ing form
I shouldn't be forefending you shouldn't be forefending he shouldn't be forefending we shouldn't be forefending you shouldn't be forefending they shouldn't be forefending
Perfect
I shouldn't have forefended you shouldn't have forefended he shouldn't have forefended we shouldn't have forefended you shouldn't have forefended they shouldn't have forefended
V-ing perfect
I shouldn't have been forefending you shouldn't have been forefending he shouldn't have been forefending we shouldn't have been forefending you shouldn't have been forefending they shouldn't have been forefending
Interrogative form
Simple form
should I forefend? should you forefend? should he forefend? should we forefend? should you forefend? should they forefend?
V-ing form
should I be forefending? should you be forefending? should he be forefending? should we be forefending? should you be forefending? should they be forefending?
Perfect
should I have forefended? should you have forefended? should he have forefended? should we have forefended? should you have forefended? should they have forefended?
V-ing perfect
should I have been forefending? should you have been forefending? should he have been forefending? should we have been forefending? should you have been forefending? should they have been forefending?
Interro-negative form
Simple form
shouldn't I forefend? shouldn't you forefend? shouldn't he forefend? shouldn't we forefend? shouldn't you forefend? shouldn't they forefend?
V-ing form
shouldn't I be forefending? shouldn't you be forefending? shouldn't he be forefending? shouldn't we be forefending? shouldn't you be forefending? shouldn't they be forefending?
Perfect
shouldn't I have forefended? shouldn't you have forefended? shouldn't he have forefended? shouldn't we have forefended? shouldn't you have forefended? shouldn't they have forefended?
V-ing perfect
shouldn't I have been forefending? shouldn't you have been forefending? shouldn't he have been forefending? shouldn't we have been forefending? shouldn't you have been forefending? shouldn't they have been forefending?