I'd be inferring you'd be inferring she'd be inferring we'd be inferring you'd be inferring they'd be inferring
Perfect
I should've inferred you should've inferred she should've inferred we should've inferred you should've inferred they should've inferred
V-ing perfect
I should've been inferring you should've been inferring she should've been inferring we should've been inferring you should've been inferring they should've been inferring
Negation
Simple form
I shouldn't infer you shouldn't infer she shouldn't infer we shouldn't infer you shouldn't infer they shouldn't infer
V-ing form
I shouldn't be inferring you shouldn't be inferring she shouldn't be inferring we shouldn't be inferring you shouldn't be inferring they shouldn't be inferring
Perfect
I shouldn't have inferred you shouldn't have inferred she shouldn't have inferred we shouldn't have inferred you shouldn't have inferred they shouldn't have inferred
V-ing perfect
I shouldn't have been inferring you shouldn't have been inferring she shouldn't have been inferring we shouldn't have been inferring you shouldn't have been inferring they shouldn't have been inferring
Interrogative form
Simple form
should I infer? should you infer? should she infer? should we infer? should you infer? should they infer?
V-ing form
should I be inferring? should you be inferring? should she be inferring? should we be inferring? should you be inferring? should they be inferring?
Perfect
should I have inferred? should you have inferred? should she have inferred? should we have inferred? should you have inferred? should they have inferred?
V-ing perfect
should I have been inferring? should you have been inferring? should she have been inferring? should we have been inferring? should you have been inferring? should they have been inferring?
Interro-negative form
Simple form
shouldn't I infer? shouldn't you infer? shouldn't she infer? shouldn't we infer? shouldn't you infer? shouldn't they infer?
V-ing form
shouldn't I be inferring? shouldn't you be inferring? shouldn't she be inferring? shouldn't we be inferring? shouldn't you be inferring? shouldn't they be inferring?
Perfect
shouldn't I have inferred? shouldn't you have inferred? shouldn't she have inferred? shouldn't we have inferred? shouldn't you have inferred? shouldn't they have inferred?
V-ing perfect
shouldn't I have been inferring? shouldn't you have been inferring? shouldn't she have been inferring? shouldn't we have been inferring? shouldn't you have been inferring? shouldn't they have been inferring?