I'd be attend sthing you'd be attend sthing he'd be attend sthing we'd be attend sthing you'd be attend sthing they'd be attend sthing
Perfect
I should've attend sthed you should've attend sthed he should've attend sthed we should've attend sthed you should've attend sthed they should've attend sthed
V-ing perfect
I should've been attend sthing you should've been attend sthing he should've been attend sthing we should've been attend sthing you should've been attend sthing they should've been attend sthing
Negation
Simple form
I shouldn't attend sth you shouldn't attend sth he shouldn't attend sth we shouldn't attend sth you shouldn't attend sth they shouldn't attend sth
V-ing form
I shouldn't be attend sthing you shouldn't be attend sthing he shouldn't be attend sthing we shouldn't be attend sthing you shouldn't be attend sthing they shouldn't be attend sthing
Perfect
I shouldn't have attend sthed you shouldn't have attend sthed he shouldn't have attend sthed we shouldn't have attend sthed you shouldn't have attend sthed they shouldn't have attend sthed
V-ing perfect
I shouldn't have been attend sthing you shouldn't have been attend sthing he shouldn't have been attend sthing we shouldn't have been attend sthing you shouldn't have been attend sthing they shouldn't have been attend sthing
Interrogative form
Simple form
should I attend sth? should you attend sth? should he attend sth? should we attend sth? should you attend sth? should they attend sth?
V-ing form
should I be attend sthing? should you be attend sthing? should he be attend sthing? should we be attend sthing? should you be attend sthing? should they be attend sthing?
Perfect
should I have attend sthed? should you have attend sthed? should he have attend sthed? should we have attend sthed? should you have attend sthed? should they have attend sthed?
V-ing perfect
should I have been attend sthing? should you have been attend sthing? should he have been attend sthing? should we have been attend sthing? should you have been attend sthing? should they have been attend sthing?
Interro-negative form
Simple form
shouldn't I attend sth? shouldn't you attend sth? shouldn't he attend sth? shouldn't we attend sth? shouldn't you attend sth? shouldn't they attend sth?
V-ing form
shouldn't I be attend sthing? shouldn't you be attend sthing? shouldn't he be attend sthing? shouldn't we be attend sthing? shouldn't you be attend sthing? shouldn't they be attend sthing?
Perfect
shouldn't I have attend sthed? shouldn't you have attend sthed? shouldn't he have attend sthed? shouldn't we have attend sthed? shouldn't you have attend sthed? shouldn't they have attend sthed?
V-ing perfect
shouldn't I have been attend sthing? shouldn't you have been attend sthing? shouldn't he have been attend sthing? shouldn't we have been attend sthing? shouldn't you have been attend sthing? shouldn't they have been attend sthing?