English verb conjugation
COULD RECOGNISE

Regular verb: recognise - recognised - recognised

Affirmation

Simple form	V-ing form
I could recognise you could recognise he could recognise we could recognise you could recognise they could recognise	I could be recognising you could be recognising he could be recognising we could be recognising you could be recognising they could be recognising
Perfect	V-ing perfect
I could have recognised you could have recognised he could have recognised we could have recognised you could have recognised they could have recognised	I could have been recognising you could have been recognising he could have been recognising we could have been recognising you could have been recognising they could have been recognising

Negation

Simple form	V-ing form
I couldn't recognise you couldn't recognise he couldn't recognise we couldn't recognise you couldn't recognise they couldn't recognise	I couldn't be recognising you couldn't be recognising he couldn't be recognising we couldn't be recognising you couldn't be recognising they couldn't be recognising
Perfect	V-ing perfect
I couldn't have recognised you couldn't have recognised he couldn't have recognised we couldn't have recognised you couldn't have recognised they couldn't have recognised	I couldn't have been recognising you couldn't have been recognising he couldn't have been recognising we couldn't have been recognising you couldn't have been recognising they couldn't have been recognising

Interrogative form

Simple form	V-ing form
could I recognise? could you recognise? could he recognise? could we recognise? could you recognise? could they recognise?	could I be recognising? could you be recognising? could he be recognising? could we be recognising? could you be recognising? could they be recognising?
Perfect	V-ing perfect
could I have recognised? could you have recognised? could he have recognised? could we have recognised? could you have recognised? could they have recognised?	could I have been recognising? could you have been recognising? could he have been recognising? could we have been recognising? could you have been recognising? could they have been recognising?

Interro-negative form

Simple form	V-ing form
couldn't I recognise? couldn't you recognise? couldn't he recognise? couldn't we recognise? couldn't you recognise? couldn't they recognise?	couldn't I be recognising? couldn't you be recognising? couldn't he be recognising? couldn't we be recognising? couldn't you be recognising? couldn't they be recognising?
Perfect	V-ing perfect
couldn't I have recognised? couldn't you have recognised? couldn't he have recognised? couldn't we have recognised? couldn't you have recognised? couldn't they have recognised?	couldn't I have been recognising? couldn't you have been recognising? couldn't he have been recognising? couldn't we have been recognising? couldn't you have been recognising? couldn't they have been recognising?