English verb conjugation
COULD INFER

Regular verb: infer - inferred - inferred

Affirmation

Simple form	V-ing form
I could infer you could infer she could infer we could infer you could infer they could infer	I could be inferring you could be inferring she could be inferring we could be inferring you could be inferring they could be inferring
Perfect	V-ing perfect
I could have inferred you could have inferred she could have inferred we could have inferred you could have inferred they could have inferred	I could have been inferring you could have been inferring she could have been inferring we could have been inferring you could have been inferring they could have been inferring

Negation

Simple form	V-ing form
I couldn't infer you couldn't infer she couldn't infer we couldn't infer you couldn't infer they couldn't infer	I couldn't be inferring you couldn't be inferring she couldn't be inferring we couldn't be inferring you couldn't be inferring they couldn't be inferring
Perfect	V-ing perfect
I couldn't have inferred you couldn't have inferred she couldn't have inferred we couldn't have inferred you couldn't have inferred they couldn't have inferred	I couldn't have been inferring you couldn't have been inferring she couldn't have been inferring we couldn't have been inferring you couldn't have been inferring they couldn't have been inferring

Interrogative form

Simple form	V-ing form
could I infer? could you infer? could she infer? could we infer? could you infer? could they infer?	could I be inferring? could you be inferring? could she be inferring? could we be inferring? could you be inferring? could they be inferring?
Perfect	V-ing perfect
could I have inferred? could you have inferred? could she have inferred? could we have inferred? could you have inferred? could they have inferred?	could I have been inferring? could you have been inferring? could she have been inferring? could we have been inferring? could you have been inferring? could they have been inferring?

Interro-negative form

Simple form	V-ing form
couldn't I infer? couldn't you infer? couldn't she infer? couldn't we infer? couldn't you infer? couldn't they infer?	couldn't I be inferring? couldn't you be inferring? couldn't she be inferring? couldn't we be inferring? couldn't you be inferring? couldn't they be inferring?
Perfect	V-ing perfect
couldn't I have inferred? couldn't you have inferred? couldn't she have inferred? couldn't we have inferred? couldn't you have inferred? couldn't they have inferred?	couldn't I have been inferring? couldn't you have been inferring? couldn't she have been inferring? couldn't we have been inferring? couldn't you have been inferring? couldn't they have been inferring?