English verb conjugation
COULD SCRUTINISE

Regular verb: scrutinise - scrutinised - scrutinised

Affirmation

Simple form	V-ing form
I could scrutinise you could scrutinise he could scrutinise we could scrutinise you could scrutinise they could scrutinise	I could be scrutinising you could be scrutinising he could be scrutinising we could be scrutinising you could be scrutinising they could be scrutinising
Perfect	V-ing perfect
I could have scrutinised you could have scrutinised he could have scrutinised we could have scrutinised you could have scrutinised they could have scrutinised	I could have been scrutinising you could have been scrutinising he could have been scrutinising we could have been scrutinising you could have been scrutinising they could have been scrutinising

Negation

Simple form	V-ing form
I couldn't scrutinise you couldn't scrutinise he couldn't scrutinise we couldn't scrutinise you couldn't scrutinise they couldn't scrutinise	I couldn't be scrutinising you couldn't be scrutinising he couldn't be scrutinising we couldn't be scrutinising you couldn't be scrutinising they couldn't be scrutinising
Perfect	V-ing perfect
I couldn't have scrutinised you couldn't have scrutinised he couldn't have scrutinised we couldn't have scrutinised you couldn't have scrutinised they couldn't have scrutinised	I couldn't have been scrutinising you couldn't have been scrutinising he couldn't have been scrutinising we couldn't have been scrutinising you couldn't have been scrutinising they couldn't have been scrutinising

Interrogative form

Simple form	V-ing form
could I scrutinise? could you scrutinise? could he scrutinise? could we scrutinise? could you scrutinise? could they scrutinise?	could I be scrutinising? could you be scrutinising? could he be scrutinising? could we be scrutinising? could you be scrutinising? could they be scrutinising?
Perfect	V-ing perfect
could I have scrutinised? could you have scrutinised? could he have scrutinised? could we have scrutinised? could you have scrutinised? could they have scrutinised?	could I have been scrutinising? could you have been scrutinising? could he have been scrutinising? could we have been scrutinising? could you have been scrutinising? could they have been scrutinising?

Interro-negative form

Simple form	V-ing form
couldn't I scrutinise? couldn't you scrutinise? couldn't he scrutinise? couldn't we scrutinise? couldn't you scrutinise? couldn't they scrutinise?	couldn't I be scrutinising? couldn't you be scrutinising? couldn't he be scrutinising? couldn't we be scrutinising? couldn't you be scrutinising? couldn't they be scrutinising?
Perfect	V-ing perfect
couldn't I have scrutinised? couldn't you have scrutinised? couldn't he have scrutinised? couldn't we have scrutinised? couldn't you have scrutinised? couldn't they have scrutinised?	couldn't I have been scrutinising? couldn't you have been scrutinising? couldn't he have been scrutinising? couldn't we have been scrutinising? couldn't you have been scrutinising? couldn't they have been scrutinising?