English verb conjugation
COULD SYNCRETISE

Regular verb: syncretise - syncretised - syncretised

Affirmation

Simple form	V-ing form
I could syncretise you could syncretise he could syncretise we could syncretise you could syncretise they could syncretise	I could be syncretising you could be syncretising he could be syncretising we could be syncretising you could be syncretising they could be syncretising
Perfect	V-ing perfect
I could have syncretised you could have syncretised he could have syncretised we could have syncretised you could have syncretised they could have syncretised	I could have been syncretising you could have been syncretising he could have been syncretising we could have been syncretising you could have been syncretising they could have been syncretising

Negation

Simple form	V-ing form
I couldn't syncretise you couldn't syncretise he couldn't syncretise we couldn't syncretise you couldn't syncretise they couldn't syncretise	I couldn't be syncretising you couldn't be syncretising he couldn't be syncretising we couldn't be syncretising you couldn't be syncretising they couldn't be syncretising
Perfect	V-ing perfect
I couldn't have syncretised you couldn't have syncretised he couldn't have syncretised we couldn't have syncretised you couldn't have syncretised they couldn't have syncretised	I couldn't have been syncretising you couldn't have been syncretising he couldn't have been syncretising we couldn't have been syncretising you couldn't have been syncretising they couldn't have been syncretising

Interrogative form

Simple form	V-ing form
could I syncretise? could you syncretise? could he syncretise? could we syncretise? could you syncretise? could they syncretise?	could I be syncretising? could you be syncretising? could he be syncretising? could we be syncretising? could you be syncretising? could they be syncretising?
Perfect	V-ing perfect
could I have syncretised? could you have syncretised? could he have syncretised? could we have syncretised? could you have syncretised? could they have syncretised?	could I have been syncretising? could you have been syncretising? could he have been syncretising? could we have been syncretising? could you have been syncretising? could they have been syncretising?

Interro-negative form

Simple form	V-ing form
couldn't I syncretise? couldn't you syncretise? couldn't he syncretise? couldn't we syncretise? couldn't you syncretise? couldn't they syncretise?	couldn't I be syncretising? couldn't you be syncretising? couldn't he be syncretising? couldn't we be syncretising? couldn't you be syncretising? couldn't they be syncretising?
Perfect	V-ing perfect
couldn't I have syncretised? couldn't you have syncretised? couldn't he have syncretised? couldn't we have syncretised? couldn't you have syncretised? couldn't they have syncretised?	couldn't I have been syncretising? couldn't you have been syncretising? couldn't he have been syncretising? couldn't we have been syncretising? couldn't you have been syncretising? couldn't they have been syncretising?