English verb conjugation
COULD SEQUELISE

Regular verb: sequelise - sequelised - sequelised

Affirmation

Simple form	V-ing form
I could sequelise you could sequelise she could sequelise we could sequelise you could sequelise they could sequelise	I could be sequelising you could be sequelising she could be sequelising we could be sequelising you could be sequelising they could be sequelising
Perfect	V-ing perfect
I could have sequelised you could have sequelised she could have sequelised we could have sequelised you could have sequelised they could have sequelised	I could have been sequelising you could have been sequelising she could have been sequelising we could have been sequelising you could have been sequelising they could have been sequelising

Negation

Simple form	V-ing form
I couldn't sequelise you couldn't sequelise she couldn't sequelise we couldn't sequelise you couldn't sequelise they couldn't sequelise	I couldn't be sequelising you couldn't be sequelising she couldn't be sequelising we couldn't be sequelising you couldn't be sequelising they couldn't be sequelising
Perfect	V-ing perfect
I couldn't have sequelised you couldn't have sequelised she couldn't have sequelised we couldn't have sequelised you couldn't have sequelised they couldn't have sequelised	I couldn't have been sequelising you couldn't have been sequelising she couldn't have been sequelising we couldn't have been sequelising you couldn't have been sequelising they couldn't have been sequelising

Interrogative form

Simple form	V-ing form
could I sequelise? could you sequelise? could she sequelise? could we sequelise? could you sequelise? could they sequelise?	could I be sequelising? could you be sequelising? could she be sequelising? could we be sequelising? could you be sequelising? could they be sequelising?
Perfect	V-ing perfect
could I have sequelised? could you have sequelised? could she have sequelised? could we have sequelised? could you have sequelised? could they have sequelised?	could I have been sequelising? could you have been sequelising? could she have been sequelising? could we have been sequelising? could you have been sequelising? could they have been sequelising?

Interro-negative form

Simple form	V-ing form
couldn't I sequelise? couldn't you sequelise? couldn't she sequelise? couldn't we sequelise? couldn't you sequelise? couldn't they sequelise?	couldn't I be sequelising? couldn't you be sequelising? couldn't she be sequelising? couldn't we be sequelising? couldn't you be sequelising? couldn't they be sequelising?
Perfect	V-ing perfect
couldn't I have sequelised? couldn't you have sequelised? couldn't she have sequelised? couldn't we have sequelised? couldn't you have sequelised? couldn't they have sequelised?	couldn't I have been sequelising? couldn't you have been sequelising? couldn't she have been sequelising? couldn't we have been sequelising? couldn't you have been sequelising? couldn't they have been sequelising?