English verb conjugation
COULD REPLICATE

Regular verb: replicate - replicated - replicated

Affirmation

Simple form	V-ing form
I could replicate you could replicate she could replicate we could replicate you could replicate they could replicate	I could be replicating you could be replicating she could be replicating we could be replicating you could be replicating they could be replicating
Perfect	V-ing perfect
I could have replicated you could have replicated she could have replicated we could have replicated you could have replicated they could have replicated	I could have been replicating you could have been replicating she could have been replicating we could have been replicating you could have been replicating they could have been replicating

Negation

Simple form	V-ing form
I couldn't replicate you couldn't replicate she couldn't replicate we couldn't replicate you couldn't replicate they couldn't replicate	I couldn't be replicating you couldn't be replicating she couldn't be replicating we couldn't be replicating you couldn't be replicating they couldn't be replicating
Perfect	V-ing perfect
I couldn't have replicated you couldn't have replicated she couldn't have replicated we couldn't have replicated you couldn't have replicated they couldn't have replicated	I couldn't have been replicating you couldn't have been replicating she couldn't have been replicating we couldn't have been replicating you couldn't have been replicating they couldn't have been replicating

Interrogative form

Simple form	V-ing form
could I replicate? could you replicate? could she replicate? could we replicate? could you replicate? could they replicate?	could I be replicating? could you be replicating? could she be replicating? could we be replicating? could you be replicating? could they be replicating?
Perfect	V-ing perfect
could I have replicated? could you have replicated? could she have replicated? could we have replicated? could you have replicated? could they have replicated?	could I have been replicating? could you have been replicating? could she have been replicating? could we have been replicating? could you have been replicating? could they have been replicating?

Interro-negative form

Simple form	V-ing form
couldn't I replicate? couldn't you replicate? couldn't she replicate? couldn't we replicate? couldn't you replicate? couldn't they replicate?	couldn't I be replicating? couldn't you be replicating? couldn't she be replicating? couldn't we be replicating? couldn't you be replicating? couldn't they be replicating?
Perfect	V-ing perfect
couldn't I have replicated? couldn't you have replicated? couldn't she have replicated? couldn't we have replicated? couldn't you have replicated? couldn't they have replicated?	couldn't I have been replicating? couldn't you have been replicating? couldn't she have been replicating? couldn't we have been replicating? couldn't you have been replicating? couldn't they have been replicating?