English verb conjugation
COULD OVERSPECIALISE

Regular verb: overspecialise - overspecialised - overspecialised

Affirmation

Simple form	V-ing form
I could overspecialise you could overspecialise he could overspecialise we could overspecialise you could overspecialise they could overspecialise	I could be overspecialising you could be overspecialising he could be overspecialising we could be overspecialising you could be overspecialising they could be overspecialising
Perfect	V-ing perfect
I could have overspecialised you could have overspecialised he could have overspecialised we could have overspecialised you could have overspecialised they could have overspecialised	I could have been overspecialising you could have been overspecialising he could have been overspecialising we could have been overspecialising you could have been overspecialising they could have been overspecialising

Negation

Simple form	V-ing form
I couldn't overspecialise you couldn't overspecialise he couldn't overspecialise we couldn't overspecialise you couldn't overspecialise they couldn't overspecialise	I couldn't be overspecialising you couldn't be overspecialising he couldn't be overspecialising we couldn't be overspecialising you couldn't be overspecialising they couldn't be overspecialising
Perfect	V-ing perfect
I couldn't have overspecialised you couldn't have overspecialised he couldn't have overspecialised we couldn't have overspecialised you couldn't have overspecialised they couldn't have overspecialised	I couldn't have been overspecialising you couldn't have been overspecialising he couldn't have been overspecialising we couldn't have been overspecialising you couldn't have been overspecialising they couldn't have been overspecialising

Interrogative form

Simple form	V-ing form
could I overspecialise? could you overspecialise? could he overspecialise? could we overspecialise? could you overspecialise? could they overspecialise?	could I be overspecialising? could you be overspecialising? could he be overspecialising? could we be overspecialising? could you be overspecialising? could they be overspecialising?
Perfect	V-ing perfect
could I have overspecialised? could you have overspecialised? could he have overspecialised? could we have overspecialised? could you have overspecialised? could they have overspecialised?	could I have been overspecialising? could you have been overspecialising? could he have been overspecialising? could we have been overspecialising? could you have been overspecialising? could they have been overspecialising?

Interro-negative form

Simple form	V-ing form
couldn't I overspecialise? couldn't you overspecialise? couldn't he overspecialise? couldn't we overspecialise? couldn't you overspecialise? couldn't they overspecialise?	couldn't I be overspecialising? couldn't you be overspecialising? couldn't he be overspecialising? couldn't we be overspecialising? couldn't you be overspecialising? couldn't they be overspecialising?
Perfect	V-ing perfect
couldn't I have overspecialised? couldn't you have overspecialised? couldn't he have overspecialised? couldn't we have overspecialised? couldn't you have overspecialised? couldn't they have overspecialised?	couldn't I have been overspecialising? couldn't you have been overspecialising? couldn't he have been overspecialising? couldn't we have been overspecialising? couldn't you have been overspecialising? couldn't they have been overspecialising?