English verb conjugation
COULD RECALL

Regular verb: recall - recalled - recalled

Affirmation

Simple form	V-ing form
I could recall you could recall he could recall we could recall you could recall they could recall	I could be recalling you could be recalling he could be recalling we could be recalling you could be recalling they could be recalling
Perfect	V-ing perfect
I could have recalled you could have recalled he could have recalled we could have recalled you could have recalled they could have recalled	I could have been recalling you could have been recalling he could have been recalling we could have been recalling you could have been recalling they could have been recalling

Negation

Simple form	V-ing form
I couldn't recall you couldn't recall he couldn't recall we couldn't recall you couldn't recall they couldn't recall	I couldn't be recalling you couldn't be recalling he couldn't be recalling we couldn't be recalling you couldn't be recalling they couldn't be recalling
Perfect	V-ing perfect
I couldn't have recalled you couldn't have recalled he couldn't have recalled we couldn't have recalled you couldn't have recalled they couldn't have recalled	I couldn't have been recalling you couldn't have been recalling he couldn't have been recalling we couldn't have been recalling you couldn't have been recalling they couldn't have been recalling

Interrogative form

Simple form	V-ing form
could I recall? could you recall? could he recall? could we recall? could you recall? could they recall?	could I be recalling? could you be recalling? could he be recalling? could we be recalling? could you be recalling? could they be recalling?
Perfect	V-ing perfect
could I have recalled? could you have recalled? could he have recalled? could we have recalled? could you have recalled? could they have recalled?	could I have been recalling? could you have been recalling? could he have been recalling? could we have been recalling? could you have been recalling? could they have been recalling?

Interro-negative form

Simple form	V-ing form
couldn't I recall? couldn't you recall? couldn't he recall? couldn't we recall? couldn't you recall? couldn't they recall?	couldn't I be recalling? couldn't you be recalling? couldn't he be recalling? couldn't we be recalling? couldn't you be recalling? couldn't they be recalling?
Perfect	V-ing perfect
couldn't I have recalled? couldn't you have recalled? couldn't he have recalled? couldn't we have recalled? couldn't you have recalled? couldn't they have recalled?	couldn't I have been recalling? couldn't you have been recalling? couldn't he have been recalling? couldn't we have been recalling? couldn't you have been recalling? couldn't they have been recalling?