English verb conjugation
COULD OVERSPECIALISE

Regular verb: overspecialise - overspecialised - overspecialised

Affirmation

Simple form	V-ing form
I could overspecialise you could overspecialise she could overspecialise we could overspecialise you could overspecialise they could overspecialise	I could be overspecialising you could be overspecialising she 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 she 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 she 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 she 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 she 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 she 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 she 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 she overspecialise? could we overspecialise? could you overspecialise? could they overspecialise?	could I be overspecialising? could you be overspecialising? could she 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 she 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 she 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 she 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 she 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 she 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 she have been overspecialising? couldn't we have been overspecialising? couldn't you have been overspecialising? couldn't they have been overspecialising?